Explore topic-wise MCQs in Production Engineering.

This section includes 815 Mcqs, each offering curated multiple-choice questions to sharpen your Production Engineering knowledge and support exam preparation. Choose a topic below to get started.

201.

In electrical resistance welding when the current passes through the metal, the greatest resistance is

A. At the surface
B. Through the metals to be welded
C. At the point of contact of the metal to be welded
D. At the point where electrode contacts the metal
E. None of the above
Answer» D. At the point where electrode contacts the metal
202.

Teeth of a hacksaw are

A. In a single plane
B. Parting off
C. Bent in one direction only
D. Bent alternately in opposite directions
Answer» E.
203.

Low helix drills are used for machining

A. Brass
B. bronze
C. bakelite
D. Any of the above
E. Parting off
Answer» E. Parting off
204.

For resistance welding

A. Voltage is low and current is high
B. Voltage is high and current is low
C. Both voltage and current are high
D. Both voltage and current are low
E. None of the above
Answer» B. Voltage is high and current is low
205.

Two 3 mm thick MS sheets are to be welded. Electrodes of 16, 12, 10 Nos, are available which one would you choose.

A. 16
B. 12
C. 10
D. Any of the above
E. None of the above
Answer» D. Any of the above
206.

The function of a transducer is

A. To decodify the input signal
B. To convert the primary signal into a more useful quantity usually an electrical impulse
C. To amplify the input signal
D. To codify the input signal
E. To modify the input signal
Answer» C. To amplify the input signal
207.

Which is not a part of shaper?

A. Vernier caliper
B. Table
C. Cross slide
D. Ram
E. Tool head
Answer» D. Ram
208.

Flange wrinkling is a defect associated with

A. Cold heating
B. Cold rolling
C. Deep drawing
D. Die casting
E. None of the above
Answer» D. Die casting
209.

Post cleaning is done in case of brazed joints to

A. Prevent corrosion
B. Remove scale
C. Strengthen the joint
D. Increase the strength of the joint
E. All of the above
Answer» B. Remove scale
210.

In a steel plant the product of a blast furnace is

A. Cast steel
B. Pig iron
C. Ingot
D. Mild steel
E. Cast iron
Answer» C. Ingot
211.

Cutting speed in turning operation for aluminium is

A. 30 m/min
B. 15 m/min
C. 200 m/min
D. 400 m/min
E. 1000 m/min
Answer» D. 400 m/min
212.

In a power hacksaw machine blade the number of teeth per inch are generally

A. 10 -- 12
B. 4 -- 6
C. 20 -- 24
D. 12 -- 20
E. 24 -- 32
Answer» C. 20 -- 24
213.

Plate liners used between the vice-jaw and the work piece are made of

A. Copper or Tin
B. Mild steel
C. Parting off
D. Hard steel
Answer» B. Mild steel
214.

A sinebar is used to measure

A. Surface roughness
B. Gear profiles
C. Internal tapers
D. External tapers
E. All of the above
Answer» E. All of the above
215.

Automobile gears are generally manufactured by

A. Extrusion
B. Die casting
C. Stamping
D. Rolling
E. Hobbing
Answer» F.
216.

Shanks of taper drills are provided standard taper known as

A. Jarno and Reed taper
B. Morse taper
C. Brown and Sharpe taper
D. Chapman taper
E. Sellers taper
Answer» C. Brown and Sharpe taper
217.

Usual thickness of a hacksaw blade is

A. 1 mm
B. Parting off
C. 0.7 mm
D. 0.4 mm
Answer» D. 0.4 mm
218.

In electro chemical machining the metal is removed by

A. Molecular transfer
B. Ionic bombardment
C. Collimated light rays
D. Ultraviolet rays
E. Dissolution in electrolyte solution
Answer» F.
219.

Antioch is

A. A soft soldering process
B. A process for making porous moulds
C. An instrument for measurement of porosity of sand
D. A process for removal of excess solder from joints
E. A hand tool used for repairing moulds
Answer» E. A hand tool used for repairing moulds
220.

In theory of metal cutting the shear plane angle is the angle between

A. Shear plane and tool axis
B. Shear plane and job surface
C. Shear plane and tool surface
D. Shear plane and horizontal plane
E. Shear plane and verticalplane
Answer» C. Shear plane and tool surface
221.

For aluminum casting to be turned on a lathe, which chuck would be preferred?

A. Four jaw independent chuck
B. Pneumatic chuck
C. Collet chuck
D. Three jaw self-centring chuck
E. Face plane
Answer» B. Pneumatic chuck
222.

A gate is the

A. Vent hole to allow for the hot gases to escape
B. Channel for the flow of excess molten material
C. Passage through which metal rises when the mould is filled
D. Passage through which metal is poured into the mould
E. Passage that finally leads molten metal from the runner into the mould cavity
Answer» F.
223.

A bleed type relay is generally used in

A. Pneumatic systems
B. Electrical systems
C. Electronic systems
D. Mechanical systems
E. None of the above
Answer» B. Electrical systems
224.

The property of sand due to which it clings to the sides of a moulding box, is called

A. permeability
B. adhesiveness
C. electron affinity
D. cohesiveness
E. Parting off
Answer» C. electron affinity
225.

Load cells are used

A. For the measurement of weight
B. For pile driving
C. For the measurement of strain
D. For the measurement of stress
E. For the measurement bearing capacity of soils
Answer» B. For pile driving
226.

Lathe bed is usually made of

A. Cast iron
B. Satellite
C. Alloy steel
D. Mild steel
E. High speed steel
Answer» B. Satellite
227.

Machinability is affected by

A. tool geometry and material
B. cutting fluids
C. regidity of tool and machine
D. All of the above
E. Parting off
Answer» E. Parting off
228.

The capacity of cupola is usually in the range

A. 500 tons to 1000 tons
B. 100 to 250 tons
C. 10 tons 10 100 tons
D. 250 tons to 400 tons
Answer» E.
229.

For the soldering of galvanized iron the flux used is

A. Hydrochloric acid
B. Zinc oxide
C. Muriatic acid
D. Ammonium chloride
E. None of the above
Answer» D. Ammonium chloride
230.

Thermistors are

A. Clad metals used in accurate measurement of temperature changes
B. Semi-conductor materials having large negative coefficient of resistance
C. Materials highly sensitive to temperature changes
D. Used for measurement of thermal properties
E. Bimetallic strips used in thermometers
Answer» B. Semi-conductor materials having large negative coefficient of resistance
231.

A step cone pulley is provided on a lathe to

A. To reverse the spindle rotation
B. To drive the lead screw
C. For taper turning
D. Reduce power consumption
E. To change spindle speeds
Answer» F.
232.

In a sine bar the standard length is measured from

A. Edge to edge
B. Between inner circumference of two buttons
C. Between out circumference of two buttons
D. Between the centers of two buttons
E. Any of the above
Answer» E. Any of the above
233.

Which one of the following is known as trarmel?

A. A pair of steel legs joined by a screw and nut
B. A steel bar and two sliding legs which can be adjusted
C. A divider with a spring
D. None of the above
E. Short rule
Answer» C. A divider with a spring
234.

A point angle of 135 - 150? on twist drills is used for drilling

A. Mild steel
B. Hard steels and nickel alloys
C. Cast iron
D. Bakelite
E. Plastics
Answer» C. Cast iron
235.

A non-consumable electrode is used in

A. Gas welding
B. DC arc welding
C. AC arc welding
D. Argon arc welding
E. None of the above
Answer» E. None of the above
236.

Helical grooves are provided on a drill bit

A. To provide long cutting edge
B. To guide the cutting top
C. To reduce the cost of the drill bit
D. To provide a passage for the coolant
E. To remove chips
Answer» F.
237.

Usual width of a hacksaw blade is

A. 15 mm
B. Parting off
C. 10 mm and above
D. 12.7 mm
Answer» F.
238.

Which of the folliwjng is not an abrading process?

A. Grinding
B. Lapping
C. Tumbling
D. Honing
E. Parting off
Answer» D. Honing
239.

Joggled welded joints are used

A. For heavy loading where the upper surface of both pieces must be in the same plane
B. For jobs subjected to fatigue stresses
C. For joining two dissimilar metals
D. For joining two materials of different thicknesses
E. For light loading where the upper surface of both pieces must be in contact
Answer» B. For jobs subjected to fatigue stresses
240.

In sand moulding the bottom flask is called

A. Drag
B. Riddle
C. Cope
D. Fillet
E. Check
Answer» B. Riddle
241.

The smallest thickness that can be measured by a slip gauge is

A. 0.01 mm
B. 1.001 mm
C. 0.001 mm
D. 1 mm
E. 0.1 mm
Answer» C. 0.001 mm
242.

The bit of solder iron is generally made of

A. Copper
B. Cast iron
C. High speed steel
D. Stainless steel
E. Mild steel
Answer» B. Cast iron
243.

Depth of cut is normally

A. Parting off
B. more for roughing operation and less for finishing operation
C. less for roughing operation and more for finishing operation
D. same for roughing as well as finishing operations
Answer» C. less for roughing operation and more for finishing operation
244.

Cutting speed of three tool materials, viz : H.S.S., carbide and ceramic for a given work materials and fixed tool life will increase in this order

A. carbide H.S.S. ceramic
B. Carbide ceramic H.S.S.
C. H.S.S. carbide ceramic
D. None of the above
E. Parting off
Answer» D. None of the above
245.

The shape of chips during broaching operation is

A. Short helical
B. Continuous
C. Small fragments
D. Long-helical
E. Closed spirals
Answer» F.
246.

A soldering iron is used mainly to

A. Heat the metal
B. Melt the solder
C. Heat the flux
D. None of these
E. None of the above
Answer» C. Heat the flux
247.

The pieces of material that are removed when punching holes in tape are known as

A. Cermets
B. Fillings
C. Circles
D. Clad
E. Burrs
Answer» E. Burrs
248.

Plug rolling is used to

A. Reduce the wall thickness and increase the diameter of tubes already made
B. Remove out of roundness of pipes
C. Increase the wall thickness of pipes at ends
D. Reduce the diameter of pipe
E. Cut threads at the ends of pipes
Answer» B. Remove out of roundness of pipes
249.

Which one of the following is not a part of micrometer

A. Sleeve
B. Spindle
C. Thimble
D. Anvil
E. Beam
Answer» F.
250.

A diamond point chisel is used for

A. V-shaped grooves
B. Spherical surfaces
C. Flat surfaces
D. Convex surfaces
E. Round surfaces
Answer» B. Spherical surfaces