Explore topic-wise MCQs in Engineering.

This section includes 4791 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering knowledge and support exam preparation. Choose a topic below to get started.

1151.

Valve analysis is particularly of interest when

A. jobbing work economics are involved
B. production is on large scale
C. only few components are involved
D. costly equipment is used
Answer» C. only few components are involved
1152.

For handling materials during manufacture of cement, a __________ is widely used.

A. belt conveyor
B. bucket conveyor
C. fork lift truck
D. overhead crane
Answer» C. fork lift truck
1153.

Process layout is also known as

A. analyticallayout
B. synthetic layout
C. static product layout
D. none of these
Answer» B. synthetic layout
1154.

When the dimension is expressed as , then the tolerance is

A. 0.035 mm
B. 0.025 mm
C. 0.01 mm
D. 0.06 mm
Answer» E.
1155.

In product layout

A. specialised and strict supervision is required
B. machines can not be used to their maximum capacity
C. manufacturing cost rises with a fall in the volume of production
D. all of the above
Answer» E.
1156.

A critical activity has

A. maximum slack
B. minimum slack
C. zero slack
D. average slack
Answer» D. average slack
1157.

In a functional organisation

A. quality of work is better
B. wastage of material is minimum
C. specialised knowledge and guidance to individual worker is provided
D. all of the above
Answer» E.
1158.

The purpose of micromotion study is to

A. assist in finding out the most efficient way of doing work
B. train the individual operator regarding the motion economy principles
C. help in collecting the motion time data for synthetic time standards
D. all of the above
Answer» E.
1159.

Sampling method of determining standard time is profitable for long cycle operation.

A. Correct
B. Incorrect
Answer» B. Incorrect
1160.

Break even analysis is a

A. short term analysis
B. long term analysis
C. average of short and long term analysis
D. any one of these
Answer» B. long term analysis
1161.

The vertical welding do not require plate edge preparation upto 16 mm thickness.

A. Correct
B. Incorrect
Answer» B. Incorrect
1162.

The dowels are

A. wooden nails
B. box nails
C. wire nails
D. none of these
Answer» B. box nails
1163.

In arc welding, the temperature of heat produced by the electric arc is of the order of

A. 3000 C to 4000 C
B. 4000 C to 5000 C
C. 5000 C to 6000 C
D. 6000 C to 7000 C
Answer» E.
1164.

A basic shaft is one whose

A. lower deviation is zero
B. upper deviation is zero
C. lower and upper deviations are zero
D. none of these
Answer» C. lower and upper deviations are zero
1165.

The casting method adopted for ornaments and toys of non-ferrous alloys, is

A. permanent mould casting
B. slush casting
C. die casting
D. centrifugal casting
Answer» C. die casting
1166.

A file with 20 teeth in 25 mm is called

A. rough file
B. bastard file
C. second cut file
D. smooth file
Answer» B. bastard file
1167.

The flux commonly used in brazing is

A. zinc chloride
B. ammonium chloride
C. rosin plus alcohol
D. borax
Answer» E.
1168.

The increase in hardness due to cold working, is called

A. age-hardening
B. work-hardening
C. induction hardening
D. flame hardening
Answer» C. induction hardening
1169.

In a cold chamber die casting machine

A. melting pot is separate from the machine
B. melting pot is an integral part of the machine
C. melting pot may have any location
D. low temperature and pressure is used
Answer» B. melting pot is an integral part of the machine
1170.

When two pieces of different metals are to be welded by projection welding, then the projection should be made on the metal piece having __________ conductivity.

A. lower
B. higher
Answer» C.
1171.

Shift is a casting defect which

A. results in a mismatching of the top and bottom parts of a casting
B. results in general enlargement of a casting
C. occurs near the ingates as rough lumps on the surface of a casting
D. occurs as sand patches on the upper surface of a casting
Answer» B. results in general enlargement of a casting
1172.

Which one of the following material will require the largest size of riser for the same size of casting?

A. Aluminium
B. Cast iron
C. Steel
D. Copper
Answer» D. Copper
1173.

The consumable electrode is used in

A. carbon arc welding
B. submerged arc welding
C. TIG arc welding
D. MIG arc welding
Answer» E.
1174.

The operation of cutting a sheet of metal in a straight line along the length, is known as

A. plunging
B. notching
C. slitting
D. forming
Answer» D. forming
1175.

Forming is the operation of removing metal to the desired shape from the edge of a plate.

A. Correct
B. Incorrect
Answer» C.
1176.

The parts of circular cross-section which are symmetrical about the axis of rotation are made by

A. hot forging
B. hot spinning
C. hot extrusion
D. hot drawing
Answer» C. hot extrusion
1177.

Scribing block is used to

A. hold the round bars during marking
B. check the trueness of flat surfaces
C. locate the centres of round bars
D. check the surface roughness
Answer» D. check the surface roughness
1178.

Neutral flame is usd to weld

A. steel
B. cast iron
C. copper
D. all of these
Answer» E.
1179.

V-block is used to

A. check the trueness of flat surfaces
B. locate centres of round rods
C. check the surface roughness
D. none of these
Answer» E.
1180.

A diamond pointed chisel is used for cutting

A. flat surfaces
B. grooves
C. keyways
D. V-shaped grooves
Answer» E.
1181.

The length of hacksaw blade is the distance between the outside edges of the holes which fits over the pins.

A. Agree
B. Disagree
Answer» B. Disagree
1182.

In electric resistance welding, pressure is applied just after the completion of current.

A. True
B. False
Answer» B. False
1183.

In permanent mould casting method

A. molten metal is poured in a metallic mould, retained in the mould long enough for the outer skin to solidify and finally mould is turned over to remove molten metal still in molten condition
B. molten metal is poured and allowed to solidify while the mould is revolving
C. molten metal is forced into mould under high pressure
D. none of the above
Answer» E.
1184.

A progressive limit gauge has

A. 'Go' and 'Not go' member on the same side of the gauge
B. separate 'Go' and 'Not go' members
C. 'Go' member at one end and 'Not go' member at the other end
D. none of the above
Answer» B. separate 'Go' and 'Not go' members
1185.

Riddle is used for

A. smoothing and cleaning out depressions in the mould
B. cleaning the moulding sand
C. moistening the sand around the edge before removing pattern
D. reinforcement of sand in the top part of moulding box
Answer» C. moistening the sand around the edge before removing pattern
1186.

In a __________ , the molten metal is poured and allowed to solidify while the mould is revolving.

A. die casting method
B. slush casting method
C. permanent mould casting method
D. centrifugal casting method
Answer» E.
1187.

A file with 50 - 60 teeth in 25 mm is called bastard file.

A. True
B. False
Answer» C.
1188.

During cold working process

A. grain structure is distorted
B. strength and hardness of metal increases
C. close dimensional tolerance can be maintained
D. all of the above
Answer» E.
1189.

In fore-hand welding, the angle between the welding torch and the work is __________ as compared to back-hand welding.

A. same
B. less
C. more
Answer» D.
1190.

The advantage of thermit welding is that

A. all parts of the weld section are molten at the same time
B. weld cools almost uniformly
C. results in a minimum problem with internal residual stresses
D. all of the above
Answer» E.
1191.

In back-hand welding, the angle between the welding rod and the work is __________ as compared to fore-hand welding.

A. same
B. less
C. more
Answer» B. less
1192.

When filing soft metals, the file teeth are clogged with minute particles of metal. The file should be cleaned by

A. washing it with water
B. rubbing on wood
C. washing it with dilute acid
D. using file card
Answer» E.
1193.

Lap joints are employed on plates having thickness

A. less than 3 mm
B. 5 to 10 mm
C. 12.5 mm
D. above 25 mm
Answer» B. 5 to 10 mm
1194.

A large electrode is used in un-shielded arc welding.

A. Correct
B. Incorrect
Answer» B. Incorrect
1195.

Fin is a casting defect which is due to thin projections of metal not intended as a part of casting.

A. Correct
B. Incorrect
Answer» B. Incorrect
1196.

The process used to improve fatigue resistance of the metal by setting up compressive stresses in its surface, is known as

A. hot piercing
B. extrusion
C. cold peening
D. cold heading
Answer» D. cold heading
1197.

The process of increasing the cross-section of a bar at the expense of its length, is called

A. drawing down
B. upsetting
C. spinning
D. peening
Answer» C. spinning
1198.

In TIG arc welding, the welding zone is shielded by an atmosphere of

A. helium gas
B. argon gas
C. either (a) or (b)
D. none of these
Answer» D. none of these
1199.

Slick is used for repairing and finishing the mould.

A. Correct
B. Incorrect
Answer» B. Incorrect
1200.

The maximum flame temperature occurs

A. at the outer cone
B. at the inner cone
C. between the outer and inner cone
D. at the torch tip
Answer» C. between the outer and inner cone