Mechanical Engineering MCQs

A. D
B. 1.5d
C. 3d
D. 6d

A. 15 mm/m
B. 20 mm/m
C. 26 mm/m
D. 10 mm/m

A. Accuracy in dimensions is not possible otherwise
B. Surface finish improves after every drawing stage
C. It is not possible to reduce at one stage
D. Annealing is needed between stages

A. Squeezing
B. Coining
C. Planishing
D. Drawing

A. Closed
B. Open
C. Depends on starting condition and flow desired
D. Could be either open or closed

A. Kept fully closed
B. Kept fully open
C. Irrespective of any position
D. Kept 50% open

A. Horizontal
B. Nearly horizontal
C. Steep
D. First rise and then fall

A. High discharge
B. High head
C. Pumping of viscous fluids
D. High head and high discharge

A. Designing new impeller
B. Trimming the impeller size to the required size by machining
C. Not possible
D. Some other alterations in the impeller

A. Kept fully closed
B. Kept fully open
C. Irrespective of any position
D. Kept 50% open