Mechanical Engineering MCQ (Multiple Choice Questions)
31-In work measurement, 1 TMU is equal to
(A) 0.6 min
(B) 0.06 min
(C) 0.006 min
(D) 0.0006 min
32-In Reliability, MTBF stands for
(A) Mean Time Batch Forecasting
(B) Maximum Time Batch Failures
(C) Mean Time between Failures
(D) Mean Time between Force
33-Standard Time in Time study is calculated by which of the following formulae?
(A) Standard Time = Observed Time x Rating + Allowance
(B) Standard Time = Observed Time + Allowance
(C) Standard Time = Rating + Allowance
(D) Standard Time =` Observed Time + Rating + Allowance
34-A systematic recording and critical examination of existing method in order to develop new effective method is called
(A) Time study
(B) Linear programming
(C) TPM
(D) Method study
35-Which of the following is not a function of production planning and control?
(A) Scheduling
(B) Process Planning
(C) Expediting
(D) Replacement Analysis
36-Which of the following is a method of forecasting?
(A) CPM
(B) Moving Average
(C) Merit rating
(D) PMTS
37-Match the List I and List II and choose the correct alternative from those given below:
List I (NC Code) | List II (Definition) |
a. M05 | i. Absolute coordinate system |
b. G01 | ii. Dwell |
c. G04 | iii. Spindle stop |
d. G90 | iv. Linear interpolation |
(A) a-ii, b-iii, c-iv, d-i
(B) a-iii, b-iv, c-i, d-ii
(C) a-iii, b-iv, c-ii, d-i
(D) a-iv, b-iii, c-ii, d-i
38-Match the List I and List II and choose the correct alternative from those given below:
List I (Heat treatment process) | List II (Application) |
a. Grey cast iron | i. Rolling mill rolls |
b. White cast iron | ii. Crank shaft |
c. Medium carbon steel | iii. Surgical instruments |
d. Stainless steel | iv. Machine tool bed |
(A) a-ii, b-iv, c-i, d-iii
(B) a-iii, b-iv, c-i, d-ii
(C) a-iv, b-i, c-ii, d-iii
(D) a-i, b-iii, c-ii, d-iv
39-Match the List I and List II and choose the correct alternative from those given below:
List I (Casting process) | List II (Product produced) |
a. Centrifugal casting | i. Large bells |
b. Sand casting | ii. IC Engine pistons |
c. Die casting | iii. Turbine blades |
d. Investment casting | iv. Pulleys |
(A) a-iv, b-i, c-ii, d-iii
(B) a-iv, b-ii, c-i, d-iii
(C) a-i, b-iv, c-iii, d-ii
(D) a-i, b-iii, c-iv, d-ii
40-Match the List I and List II and choose the correct alternative from those given below:
List I (Casting process) | List II (Mould making technique) |
a. Green sand molding | i. Pouring |
b. Shell molding | ii. Dipping |
c. Investment molding | iii. Compaction |
d. Ceramic molding | iv. Resin bonding |
(A) a-ii, b-i, c-iv, d-iii
(B) a-i, b-iii, c-ii, d-iv
(C) a-iii, b-iv, c-ii, d-i
(D) a-iv, b-ii, c-iii, d-i
41-Match the List I and List II and choose the correct alternative from those given below:
List I (Welding process) | List II (Heat source) |
a. Thermit welding | i. Electric arc |
b. Projection welding | ii. Mechanical work |
c. MIG welding | iii. Exothermic chemical reaction |
d. Friction welding | iv. Ohmic resistance |
(A) a-iv, b-ii, c-iii, d-i
(B) a-iv, b-iii, c-i, d-ii
(C) a-iii, b-i, c-iv, d-ii
(D) a-iii, b-iv, c-i, d-ii
ANSWERS:
31-(D), 32-(C), 33-(A), 34-(D), 35-(D), 36-(B), 37-(C), 38-(C), 39-(A), 40-(C), 41-(D)