Production Engineering Set 22 MCQs

Q1 | Antioch is

A soft soldering process

A process for making porous moulds

An instrument for measurement of porosity of sand

A process for removal of excess solder from joints

A hand tool used for repairing moulds

Q2 | A gate is the

Vent hole to allow for the hot gases to escape

Channel for the flow of excess molten material

Passage through which metal rises when the mould is filled

Passage through which metal is poured into the mould

Passage that finally leads molten metal from the runner into the mould cavity

Q3 | Shrinkage of cast iron on solidification is nearly

1%

13%

Parting off

5%

6.50%

Q4 | Machinability is affected by

tool geometry and material

cutting fluids

regidity of tool and machine

All of the above

Parting off

Q5 | Two 3 mm thick MS sheets are to be welded. Electrodes of 16, 12, 10 Nos, are available which one would you choose.

16

12

10

Any of the above

None of the above

Q6 | In electro chemical machining the metal is removed by

Molecular transfer

Ionic bombardment

Collimated light rays

Ultraviolet rays

Dissolution in electrolyte solution

Q7 | The property of sand due to which it clings to the sides of a moulding box, is called

permeability

adhesiveness

electron affinity

cohesiveness

Parting off

Q8 | Cutting speed in turning operation for aluminium is

30 m/min

15 m/min

200 m/min

400 m/min

1000 m/min

Q9 | In a 32A 49-H 8V BE grinding wheel the grit size is represented by

H

8

46

BE

32

Q10 | In theory of metal cutting the shear plane angle is the angle between

Shear plane and tool axis

Shear plane and job surface

Shear plane and tool surface

Shear plane and horizontal plane

Shear plane and verticalplane

Q11 | Load cells are used

For the measurement of weight

For pile driving

For the measurement of strain

For the measurement of stress

For the measurement bearing capacity of soils

Q12 | A sinebar is used to measure

Surface roughness

Gear profiles

Internal tapers

External tapers

All of the above

Q13 | In a power hacksaw machine blade the number of teeth per inch are generally

10 -- 12

4 -- 6

20 -- 24

12 -- 20

24 -- 32

Q14 | Shanks of taper drills are provided standard taper known as

Jarno and Reed taper

Morse taper

Brown and Sharpe taper

Chapman taper

Sellers taper

Q15 | A step cone pulley is provided on a lathe to

To reverse the spindle rotation

To drive the lead screw

For taper turning

Reduce power consumption

To change spindle speeds

Q16 | Usual thickness of a hacksaw blade is

1 mm

Parting off

0.7 mm

0.4 mm

Q17 | For ultrasonic welding the thickness of metal is usually restricted to

15 mm

10 mm

25 mm

6 mm

3 mm

Q18 | Lathe bed is usually made of

Cast iron

Satellite

Alloy steel

Mild steel

High speed steel

Q19 | Plate liners used between the vice-jaw and the work piece are made of

Copper or Tin

Mild steel

Parting off

Hard steel

Q20 | In case of grey cast iron the volumetric shrinkage is around

15%

2%

10%

25%

20%

Q21 | For the soldering of galvanized iron the flux used is

Hydrochloric acid

Zinc oxide

Muriatic acid

Ammonium chloride

None of the above

Q22 | Automobile gears are generally manufactured by

Extrusion

Die casting

Stamping

Rolling

Hobbing

Q23 | Which is not a part of shaper?

Vernier caliper

Table

Cross slide

Ram

Tool head

Q24 | A bleed type relay is generally used in

Pneumatic systems

Electrical systems

Electronic systems

Mechanical systems

None of the above

Q25 | For aluminum casting to be turned on a lathe, which chuck would be preferred?

Four jaw independent chuck

Pneumatic chuck

Collet chuck

Three jaw self-centring chuck

Face plane