Production Engineering MCQ Questions Answers Mechanical Engineering

1) Most commonly used materials cast by using hot-chamber die casting include

a) Zinc

b) Tin

c) Lead

d) All of these

View Answer
Option – d)

2)In a shaper, the length of stroke is increased by

a) Increasing the centre distance of bull gear and crank pin

b) Decreasing the centre distance of bull gear and crank pin

c) Increasing the length of the arm

d) Decreasing the length of the slot in the slotted lever

View Answer
Option – a)

3) Which of the following gating ratio represents pressurized gating systems?

a) 1 : 1: 2

b) 1 : 2 : 1

c) 1 : 2 : 3

d) 1 : 3 : 3

View Answer
Option – b)

4)Ceramic cutting tools are

a) Made by cold pressing of aluminium oxide powder

b) Available in the form of tips

c) Brittle and have low bending strength

d) All of these

View Answer
Option – d)

5) The casting defect caused by the erosion of sand

a) Drop

b) Wash

c) Rat tail

d) Misrun

View Answer
Option – a)

6)Which of the following operation is first performed?

a) Spot facing

b) Boring

c) Tapping

d) Drilling

View Answer
Option – b)

7) Sprue in casting refers to

a) Gate

b) Runner

c) Riser

d) Vertical passage

View Answer
Option – d)

8)The allowed time for a job equals standard time plus

(a) policy allowance

(b) interference allowance

(c) process allowance

(d) learning allowance

(e) unforeseen allowance.

View Answer
Option – a)

9) Warm metal working is applied extensively for

a) Rolling

b) Extrusion

c) Forging

d) Drawing

View Answer
Option – c)

10)Micromotion study is

(a) analysis of a man work method by using a motion picture camera with a timing device in the field of view

(b) motion study observed on enhanced time intervals

(c) motion study of a sequence of operations conducted systematically

(d) study of man and machine conducted simultaneously

(e) scientific, analytically procedure for determining optimum work method.

View Answer
Option – a)