Explore topic-wise MCQs in Engineering Metrology.

This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Metrology knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following is incorrect about V blocks?

A. Cylindrical piece should be placed on the vee sides
B. Cylindrical piece should be placed on the edges of the vees
C. V-Blocks generally sold in pairs
D. V-blocks can support square, round and rectangular pieces
Answer» C. V-Blocks generally sold in pairs
2.

Which of the following is correct for departure from flatness in Vees?

A. Any departure from flatness in vees should be a concavity
B. Any departure from flatness parallel to the vee axis should be a concavity
C. Any departure from flatness parallel to the vee axis should be a convexity
D. Any departure from flatness in vees can be a concavity or convexity
Answer» C. Any departure from flatness parallel to the vee axis should be a convexity
3.

Which of the following option is correct for the given statements related to V-blocks? (T=True/ F=False)Statement 1: V-blocks can be used as a magnetic work holding device.Statement 2: V-blocks with internal magnets help in milling operation.

A. T, T
B. T, F
C. F, T
D. F, F
E. Statement 1: V-blocks can be used as a magnetic work holding device.Statement 2: V-blocks with internal magnets help in milling operation.a) T, Tb) T, Fc) F, Td) F, F
Answer» B. T, F
4.

Which of the following option is correct for the given statements about working surface of V blocks?Statement 1: V-Blocks have only one working surface i.e. flanks of vees.Statement 2: Side faces of V-blocks are not working surfaces.

A. Both statements are true
B. Statement 1 is correct
C. Statement 2 is correct
D. Both statements are false
Answer» E.
5.

WHICH_OF_THE_FOLLOWING_IS_CORRECT_FOR_DEPARTURE_FROM_FLATNESS_IN_VEES??$

A. Any departure from flatness in vees should be a concavity
B. Any departure from flatness parallel to the vee axis should be a concavity
C. Any departure from flatness parallel to the vee axis should be a convexity
D. Any departure from flatness in vees can be a concavity or convexity
Answer» C. Any departure from flatness parallel to the vee axis should be a convexity
6.

Which_of_the_following_is_incorrect_about_V_blocks?$

A. Cylindrical piece should be placed on the vee sides
B. Cylindrical piece should be placed on the edges of the vees
C. V-Blocks generally sold in pairs
D. V-blocks can support square, round and rectangular pieces
Answer» C. V-Blocks generally sold in pairs
7.

Which of the following option is correct for the given statements related to V-blocks? (T=True/ F=False?

A.
B.
Answer» B.
8.

Which of the following grades is specified by IS: 2494-1964?

A. Two grades of vee Blocks, viz. Grade A and B
B. Four grades of vee Blocks, viz. Grade A, B, C and D
C. Two grades of vee Blocks, viz. Grade 1 and 2
D. Four grades of vee Blocks, viz. Grade 1, 2, 3 and 4
Answer» D. Four grades of vee Blocks, viz. Grade 1, 2, 3 and 4
9.

Which V block is used for checking triangle effect?

A. V block with 120-degree angle is used
B. V block with 90-degree angle is used
C. V block with 60-degree angle is used
D. V block with 30-degree angle is used
Answer» B. V block with 90-degree angle is used
10.

Which of the following is incorrect about V-Blocks?

A. V-Blocks should be checked periodically for accuracy
B. V-Blocks are used to establish centre axis of a cylindrical piece precisely
C. First check the V-Blocks visually before using
D. V-Blocks cannot be used with clamps
Answer» E.
11.

What is the symmetrization accuracy of vees in V-Blocks?

A. 0.002 mm per 20 mm length
B. 0.001 mm per 20 mm length
C. No effect of symmetry
D. 0.02 mm per 20 mm length
Answer» B. 0.001 mm per 20 mm length
12.

What is the bearing area of V-Blocks?

A. 5%
B. 10%
C. 15%
D. 20%
Answer» E.
13.

What is the use of V-Blocks?

A. For checking only squareness of square work pieces
B. For checking roundness
C. Only for the support purposes
D. To support triangular surfaces only
Answer» C. Only for the support purposes