BASIC TECHNOLOGY JSS 3

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REVISION EXERCISES

Multiple choice questions

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Read each question carefully and choose the correct option from letter A – E

 
1.	In Isomeric drawing the angle used for projection is ………  
(a)	30    
(b)	
(c)	60    
(d)	70    
(e)	90 

2.	First angle projection originates from ………… 
(a)	Britain   
(b)	Germany   
(c)	Holland   
(d)	France   
(e)	America
 
3.	In orthographic projection hidden details are represented by ………. 
(a)	chain lines   
(b)	short thin dashes  
(c)	continuous thick lines   
(d)	thick wavy lines 
(e)	all of the above 

4.	In third angle projection the plan is usually placed ………………
(a)	below the side view  
(b)	above the front elevation   
(c)	above the side view   
(d)	below the front elevation   
(e)	beside the front elevation
 
5.	The two principal views used in Orthographic projection are the …………… and …………….  
(a)	front elevation and the side view   
(b)	end elevation and the side view   
(c)	front elevation and the plan  
(d)	plan and the end elevation  
(e)	first auxiliary plan and first auxiliary elevation 

6.	The reciprocating motion of piston is converted into rotary motion by …………  
(a)	gear   
(b)	crank    
(c)	belt   
(d)	linkage   
(e)	bearing 

7.	The device used to transmit motion in one direction only is ………… 
(a)	clutch   
(b)	gear   
(c)	worn wheel  
(d)	ratchet   
(e)	propeller shaft
 
8.	The device which connects and disconnects two revolving shaft is called …………  
(a)	clutch   
(b)	break   
(c)	gearbox   
(d)	axle   
(e)	piston  

9.	Rotary motion in core direction can be converted to rotary motion in a perpendicular direction by the use of …………
(a)	crankshaft    
(b)	link    
(c)	ratchet    
(d)	gear    
(e)	wheel 
 
10.	A mechanical device that transmits intermittent motion is the ………. 
(a)	ratchet   
(b)	shaft   
(c)	gear    
(d)	brake   
(e)	clutch  

11.	The function of a brake is to ……. 
(a)	control motion   
(b)	neutralize motion   
(c)	stabilize motion   
(d)	minimize motion  
(e)	eliminate motion  

12.	………… is defined as the change in position in a straight line.
(a)	Rotary motion   
(b)	Oscillatory motion   
(c)	Linear motion   
(d)	Reciprocating motion   
(e)	Irregular motion
 
13.	The following are woodwork fitting material except ………… 
(a)	nails   
(b)	screws    
(c)	bolts and nuts  
(d)	hinges
(e)	all of the above
 
14.	The following materials can be used as finishes in wood except ………… 
(a)	vanishes   
(b)	paints   
(c)	glue   
(d)	polish   
(e)	lacquers
 
15.	The purpose of wood finishes is to …………………  
(a)	prevent the wood from warping   
(b)	soften the wood  
(c)	prevent the wood from absorbing water   
(d)	smoothen the wood  
(e)	make the wood last longer 

16.	Which of the following wood joint is used in flooring boards?  
(a)	Tongue and grove   
(b)	Dove-tail joint  
(c)	Hunched mortise and tenon joint  
(d)	Having joint 
(e)	All of the above

17.	The joint suitable for the construction of drawers and cabinet work is called …………
(a)	dovetail joint  
(b)	bridle joint  
(c)	lap joint  
(d)	mortise and tenon joint
(e)	none of the above
 
18.	The glue that is made of skimmed milk which is curdled by the addition of dilute acid is called ………… 
(a)	Animal glue   
(b)	Casein adhesive   
(c)	Synthetic resin adhesive  
(d)	Contact adhesive  
(e)	Natural adhesive

19.	Which of the following is used in machines to reduce friction?  
(a)	Ball bearings  
(b)	Pedal cranks    
(c)	Wheel axles    
(d)	Steering column   
(e)	Propeller’s shaft 

20.	Gear, balls and chain drives are used for …………
(a)	energy conversion   
(b)	energy transmission  
(c)	power conversion  
(d)	power transmission   
(e)	weight transfer  

21.	Which tools is used for cutting circular shapes and internal curves of metal? 
(a)	Straight snip   
(b)	Bent snip   
(c)	Tin snip    
(d)	Bench shears   
(e)	Straight shears  

22.	Which of the following is used for cutting sheet metal? 
(a)	Scissors   
(b)	Hack   
(c)	Coping saw   
(d)	Snips  
(e)	Chisel
  
23.	Which of the following is used to reduce friction between revolving parts? 
(a)	Bearing   
(b)	Chain   
(c)	Belt  
(d)	Clutch   
(e)	Sprocket 
 
24.	The purpose of applying lubricants to a gear box is to ……………  
(a)	reduce speed  
(b)	reduce friction   
(c)	increase friction  
(d)	increase speed  
(e)	reduce kinetic energy 
 
25.	The hotness of a motor vehicle tyre is caused by the …………………  
(a)	radiation of the sun  
(b)	heat of the engine distribution to the tyre 
(c)	spark plugs
(d)	friction between road and tyres  
(e)	as a result of the gear change 

26.	The hammering and forming of hot metal into a certain shape is known as ………… 
(a)	brazing    
(b)	forging    
(c)	riveting    
(d)	soldering  
(e)	welding
	 
27.	…………… can be defined as the scientific knowledge used in practical ways to meet and satisfy humans needs and comforts 
(a)	Science    
(b)	Knowledge   
(c)	Technology    
(d)	Production    
(e)	Career  

28.	The grown trees are felled down to produce ………… 
(a)	coal    
(b)	timber   
(c)	cotton   
(d)	palm wine   
(e)	palm roof
29.	………… is obtained from grown trees which can be used in building or for making things  
(a)	Wood   
(b)	Trees   
(c)	Sand   
(d)	Stone   
(e)	Cement 

30.	An orthographic projection shows a 3-D object in three views which are top view, front view and ……………… 
(a)	bottom view   
(b)	side view   
(c)	back view     
(d)	up view    
(e)	all views
 
31.	Wood can be classified into …… types 
(a)	2    
(b)	4    
(c)	8    
(d)	6    
(e)	3 

32.	……………. can be defined as the cutting down of trees with the use of power chain saw 
(a) Pulling of trees   
(b) Uprooting of trees   
(c) Felling of trees   
(d) Wood defects   
(e) Seasoning of trees 

33.	…………… is the method of using sawing machine to cut the log into determined acceptable sizes in the market 
(a) Seasoning of wood   
(b) Conversion of trees   
(c) Wood defects    
(d) Felling of trees   
(e) None of the above 

34.	………… is the method of drying or removing excess water in the wood. 
(a) Wood defects   
(b) Felling of trees  
(c) Forms of wood   
(d) Seasoning of wood   
(e) Conversion of wood 

35.	There are …… methods of seasoning wood 
(a)  2    
(b)  4    
(c)  5   
(d)  6    
(e)  7 

36.	…………… can be defined as the process of using chemical to protect wood from attack 
(a) Preservation of wood   
(b) Felling of woods   
(c) Seasoning of wood  
(d) Forms of wood    
(e) Wood defects 

37.	Metal can be classified into ……… 
(a)  4     
(b)  3     
(c)  2     
(d)  5    
(e)  1
 
38.	…………. is the making of objects by pouring molten metal into a ground 
(a)	Smelting    
(b)	Casting   
(c)	Smoothing    
(d)	Burning  
(e)	Moulding 
 
39.	The top view is also known as ………….  
(a)	elevation       
(b)	up view      
(c)	end elevation     
(d)	the plan     
(e)	front view 

40.	…………… is produced from the latex obtained from rubber trees 
(a)	Artificial rubber    
(b)	Natural rubber   
(c)	Physical rubber    
(d)	Coal  
(e)	Limestone 
 
41.	…………… are elastic substances that can be stretched and do not allow liquids to pass through it. 
(a)	Rubber    
(b)	Limestone    
(c)	Metals    
(d)	Iron    
(e)	Ore 

42.	………… is the process of adding Sulphur to raw rubber at high temperature  
(a)	Storm    
(b)	Carbon black   
(c)	Vulcanization    
(d)	Rubber   
(e)	Limestone 

43.	…………. does not melt under heat but instead it burns and become blackish brown 
(a) Thermosetting    
(b) Thermoplastic     
(c) Carbon black    
(d) Vulcanization   
(e) Limestone. 

44.	………… is to heat glass or metal and allow it to cool gradually (slowly) so as to make it harder 
(a)	Plastic   
(b)	Glass    
(c)	Decoration   
(d)	Anneal    
(e)	Rubber 

45.	There are …………… types of plastic material 
(a)	3     
(b)	2     
(c)	4     
(d)	5    
(e)	1 

46.	Plastic processing involves the following processes except ……..
(a)	casting    
(b)	moulding    
(c)	forming    
(d)	calendaring     
(e)	rubber 

47.	There are ………… main methods of pictorial drawing  
(a)	3    
(b)	2     
(c)	4     
(d)	5       
(e)	6 

48.	…………… drawing can be defined as a method that identifies solid objects showing three dimensions in one view 
(a)	Geometry     
(b)	Pictorial     
(c)	Orthographic     
(d)	Solid    
(e)	Plane 

49.	………… is the portion of flat or plane surfaces bounded by one or more lines. 
(a)	Solid figures     
(b)	Plane figures     
(c)	Polygon    
(d)	Triangle   
(e)	Circle 

50.	There are ……… types of oblique projections  
(a)	3      
(b)	4     
(c)	2     
(d)	6      
(e)	5  

51.	…………… drawing is a type of drawing that recognizes solid objects in three dimensions with front face perpendicular to the plane of the paper. 
(a)	Oblique    
(b)	Isometric   
(c)	Triangles    
(d)	Shapes   
(e)	Square 

52.	…………… is a machine capable of slicing the logs of timber into various sizes 
(a)	Band saw    
(b)	Calipers    
(c)	Hammer    
(d)	Circular     
(e)	Sea-saw 

53.	…………… can be used to make bevel, tenon among other operations on wood. 
(a)	Calipers    
(b)	Hammer   
(c)	Surface planner   
(d)	Saw    
(e)	Circular saw 

54.	…………… machine is mainly used for planning wood to produce accurate thickness as needed  
(a) Hammer   
(b) Surface planner     
(c) Saw    
(d) Calipers    
(e) Thicknessing machine
 
55.	………… is a machine used for wood turning operations   
(a)	Wood    
(b)	Wood lathe    
(c)	Calipers    
(d)	Hammer   
(e)	Saw 

56.	………… is an activity involving a special skill at making forms of wood either with the use of hand or machine 
(a)	Woodwork     
(b)	Wood grinding    
(c)	Wooding    
(d)	Butt wood    
(e)	Halving wood 

57.	…………. is the type of joint whereby the rectangular end of the member wood fits against the flat surface of the other member wood 
(a)	Joint    
(b)	Butt joint    
(c)	Wood joint    
(d)	Work joint    
(e)	Bulled joint 

58.	…………… are the joints obtained when half thickness or width of the members are cut out to give flush faces for meeting or crossing members. 
(a)	But joints    
(b)	Halving joints     
(c)	Joints     
(d)	Walls   
(e)	Rebated joints 

59.	………… is the strongest of other joints for making corner joints in wooden containers and cabinet drawers.
(a)	Dovetail     
(b)	Joints   
(c)	Walls    
(d)	Hammer    
(e)	Halving joints 

60.	…………… can be defined as a substance for making materials stick together  
(a)	Adhesive    
(b)	Resin    
(c)	Casein       
(d)	Glue    
(e)	P. V. A. 

61.	Which of the following is used for finishing?  
(a)	Glue    
(b)	Lock   
(c)	Nail    
(d)	Smooth plane    
(e)	Hinge 

62.	……………… is the type of nail that is strong and generally used in building work 
(a)	Oval nail    
(b)	Lost-head round nail  
(c)	Screw nail  
(d)	Clout nail    
(e)	Panel pin  

63.	……………. is a universal language used for communication among technical people. 
(a)	Blue print 
(b)	Isometric drawing   
(c)	Technical drawing  
(d)	Perspective drawing  
(e)	Drawing plan

64.	…………… is the type of hinges that is used for external doors 
(a)	Hinges    
(b)	Box lock    
(c)	Tee hinge   
(d)	Butt hinge   
(e)	Flat hinge 

65.	…………… is the process of finding likely fault in electronics using appropriate tools. 
(a) Fault detection    
(b) Analogue meter   
(c) Digital meter   
(d) Operational chart  
(e) Electric tester 

66.	…………… can be defined as the materials applied to the surface of the finished wood for the purpose of preservation or beautification. 
(a)	Wood finishes    
(b)	Wood preparation    
(c)	Wood finishing   
(d)	Wood joint   
(e)	Wood work 

67.	The following are the reasons why we apply wood finishes except ……………  
(a)	for general outlook    
(b)	to be attractive   
(c)	to protect the wood against insect  
(d)	to protect the wood against fungus attack  
(e)	to make it available  

68.	The following are the categories of wood finishes except …………… 
(a)	lacquers    
(b)	varnish    
(c)	French polish   
(d)	wax polish   
(e)	engine oil 

69.	The following are basic machine tools except …………… 
(a)	centre lathe   
(b)	shaping machine   
(c)	planning machine   
(d)	drill press  
(e)	spraying machine 

70.	…………… is used for producing flat surfaces which cannot be achieved on milling machine 
(a)	Planning machine    
(b)	Shaping machine   
(c)	Drill press   
(d)	Centre lathe   
(e)	Lathe machine 

71.	……………. machine is used to remove a waste or unwanted metal with the use of abrasive mounted on rotating wheels 
(a)	Grinding machine    
(b)	Printing machine   
(c)	Shaping machine  
(d)	Drill press    
(e)	Rolling machine 
72.	…………… is the machine used to produce holes of different sizes on metals 
(a)	Milling machines  
(b)	Drill press    
(c)	Grinding machines    
(d)	Shaping machines    
(e)	Planning machines  

73.	…………… is used for cutting various large or big metals of different shapes which the hacksaw cannot cut. 
(a)	Saw   
(b)	Calipers    
(c)	Cutlass    
(d)	Hoe    
(e)	Power hack saw
 
74.	Which of the following is NOT among the forging operations? 
(a)	Twisting    
(b)	Bending    
(c)	Hardie   
(d)	Drawing down    
(e)	Upsetting 
 
75.	………… is used for taking linear measurements 
(a)	Steel rule    
(b)	Snip   
(c)	Punches    
(d)	Sliding level    
(e)	Scriber 

76.	……………… is the hammering of hot metal and shaping it into the required shape  
(a)	Forging    
(b)	Snips   
(c)	Scriber    
(d)	Calipers   
(e)	Screws  
77.	…………… are used for cutting metals and they function like the cloth cutting scissors  
(a)	Chisel     
(b)	Scriber    
(c)	Snips     
(d)	Screws    
(e)	Calipers 

78.	…………… can be defined as a method of joining metals by sticking them together with the use of an alloy 
(a)	Soldering     
(b)	Brazing    
(c)	Flux    
(d)	Metal    
(e)	Painting and spraying 
 
79.	Furniture may be finished with the following except ………… 
(a) paint    
(b) polished    
(c) varnish   
(d) formica   
(e) grease  
   
80.	The process of finding likely fault in electronics using the appropriate tools is …………… 
(a)	troubleshooting   
(b)	digital meter   
(c)	motion    
(d)	electrical circuit 
(e)	timber   

81.	The two types of soldering are ……………… and ………………
(a)	physical and artificial      
(b)	hard and soft    
(c)	natural and synthetic    
(d)	hard and dry    
(e)	dry and wet 
82.	…………… is used for coating plates or pots to prevent them from rusting  
(a)	Engine oil   
(b)	Palm oil   
(c)	Enamel     
(d)	Emulsion paint   
(e)	Grease 

83.	………… is the joining of metals with a solder consisting of brass or a silver alloy 
(a)	Flux     
(b)	Soft soldering   
(c)	Solder   
(d)	Brazing    
(e)	Hard soldering
  
84.	Which of the following is NOT a method of joining metals? 
(a) Soldering    
(b) Roping    
(c) Using mechanical fastener    
(d) Welder    
(e) Riveting  
 
85.	……………… is the arrangement of gears such that power can be transmitted  
(a)	Chain drives   
(b)	Electric grinder   
(c)	Gearing   
(d)	Belt drives  
(e)	Gear movers
 
86. 	……………. is the gear that transmits speed to the other gear 
(a) Driving gear    
(b) Gear ratio   
(c) Driven gear   
(d) Chain drives  
(e) Bevel gear 
87. 	…………… is a drawing that gives the distant part of an object, like a building or road and has a single vanishing point  
(a) One-point perspective drawing
(b) Oblique drawing   
(c) Isometric drawing   
(d) Two-point perspective drawing   
(e) Three-point perspective drawing

88.	………… can be defined as the movement of mechanical components in engineering systems. 
(a)	Motion    
(b)	Friction    
(c)	Fiction   
(d)	Rotary motion    
(e)	Linear motion  

89.	There are ……… types of motion  
(a) 3    
(b) 4   
(c) 5   
(d) 6    
(e) 2
 
90.	…………… is a type of motion that occurs in form of a straight line. 
a.	Linear motion   
b.	Rotary motion    
c.	Motion    
d.	Friction   
e.	Oscillatory motion  

91.	……………. is the type of motion that occurs in circular form either clockwise or anti clockwise direction  
(a) Irregular motion   
(b) Friction    
(c) Rotary motion   
(d) Linear motion   
(e) Motion
  
92.	………… are mainly used to control motion, either to slow down or bring to an eventual stop as wanted  
a.	Ratchet    
b.	Brakes   
c.	Clutch   
d.	Engine    
e.	Gear
 
93.	………… is a device used for transmitting intermittent motion in one direction only 
a.	Clutch   
b.	Gear    
c.	Brakes   
d.	Engine   
e.	Ratchet
   
94.	………… is processed from sand, soda and lime. 
a.	Plastic     
b.	Rubber   
c.	Metal   
d.	Glass   
e.	Wood 

95.	……………. is a device that contains a short length of thin wire which melts and breaks when the current exceeds save value 
a.	Fuse    
b.	Wire    
c.	Battery   
d.	Current    
e.	Circuit 

96.	…………… connects the components or parts in an electrical system.
a.	Fuse   
b.	Resistivity    
c.	Current    
d.	Electrical wiring    
e.	Electric circuit  

97.	…………. is obtained from the sap of rubber tree 
a.	Natural rubber     
b.	Synthetic rubber   
c.	Plastic    
d.	Wood   
e.	All of the above
  
98.	Simple maintenance methods include the following except …………… 
(a) cleaning   
(b) dusting    
(c) oiling  
(d) washing    
(e) breaking 

99. 	…………… is the photographic prints of a plan for a building drawn with white lines and a blue background  
(a)	Blue print   
(b)	Red print    
(c)	White print    
(d)	Yellow print   
(e)	Magenta print 

100.	…………… is designed to store sewage in houses 
a.	Soak away   
b.	Manhole    
c.	Plan    
d.	Septic tank   
e.	Site plan  

 
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