Explore topic-wise MCQs in Manufacturing Engineering.

This section includes 19 Mcqs, each offering curated multiple-choice questions to sharpen your Manufacturing Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

If the pouring basin has a much larger cross-sectional area than the sprue bottom, then the velocity of the molten metal is?

A. low
B. high
C. normal
D. either high or low
Answer» B. high
2.

In a free-falling liquid, the cross-sectional area of the stream?

A. increases
B. decreases
C. remains constant
D. first increases and then decreases
Answer» C. remains constant
3.

Risers are also called __________

A. spure
B. runners
C. feeders
D. risers
Answer» D. risers
4.

If there are 930 grains per mm2 on a photomicrograph of a metal at 2X, what is the ASTM grain size number of the metal?

A. 6
B. 7
C. 7.92
D. 8.91
Answer» E.
5.

A mixture of a metal(s) and a non-metal(s) is called?

A. composite
B. alloy
C. dislocation
D. cermet
Answer» C. dislocation
6.

What are the examples of line defect?

A. vacancies
B. dislocations
C. twins
D. stacking faults
Answer» C. twins
7.

Scanning tunneling microscope is a tool usually used to analyze an image at ____________

A. sub-atomic level
B. atomic level
C. micro level
D. macro level
Answer» C. micro level
8.

Vacancies are _____________

A. planer defects
B. line defects
C. point defects
D. volume defects
Answer» D. volume defects
9.

Grains created when a metal solidifies rather slowly in the presence of a steep temperature gradient fall in the category of?

A. equiaxed grains
B. columnar grains
C. elongated grains
D. planer grains
Answer» C. elongated grains
10.

IN_A_FREE_FALLING_LIQUID,_THE_CROSS_SECTIONAL_AREA_OF_THE_STREAM?$

A. increases
B. decreases
C. remains constant
D. none of the mentioned
Answer» C. remains constant
11.

If_the_pouring_basin_has_a_much_larger_cross_sectional_area_than_the_sprue_bottom,_then_the_velocity_of_the_molten_metal_is$

A. low
B. high
C. normal
D. none of the mentioned
Answer» B. high
12.

Risers are also calle?

A. spure
B. runners
C. feeders
D. none of the mentioned
Answer» D. none of the mentioned
13.

An ASTM grain size determination is being made from a photomicrograph of a metal at a magnification of 1X. What is the ASTM grain size number of the metal if there are 992 grains per square mm?

A. 6
B. 7
C. 7.92
D. 8.91
Answer» C. 7.92
14.

If there are 930 grains per mm2 on a photomicrograph of a metal at 2X, what is the ASTM grain size number of the metal?

A. 6
B. 7
C. 7.92
D. 8.91
Answer» E.
15.

A mixture of a metal(s) and a non-metal(s) is called

A. composite
B. alloy
C. dislocation
D. none of the mentioned
Answer» C. dislocation
16.

Examples of line defect are

A. vacancies
B. dislocations
C. twins
D. stacking faults
Answer» C. twins
17.

Scanning tunneling microscope is a tool usually used to analyze an image at

A. sub-atomic level
B. atomic level
C. micro level
D. macro level
Answer» C. micro level
18.

Vacancies are

A. planer defects
B. line defects
C. point defects
D. volume defects
Answer» D. volume defects
19.

Grains created when a metal solidifies rather slowly in the presence of a steep temperature gradient fall in the category of

A. equiaxed grains
B. columnar grains
C. all of the mentioned
D. none of the mentioned
Answer» C. all of the mentioned