4
6
8
10
✅ The correct answer is option A.
Engineering MCQs
The knocking in diesel engines may be prevented by
reducing the delay period
raising the compression ratio
increasing the inlet pressure of air
all of these
✅ The correct answer is option D.
The relation between me number of links (l) and the number of binary joints (j) for a kinematic chain having constrained motion is given by l = l – 2. If the left hand side of this equation is greater than the right hand side, then the chain is
locked chain
completely constrained chain
successfully constrained chain
incompletely constrain
✅ The correct answer is option A.
The loss of head at exit of a pipe is
✅ The correct answer is option A.
Which of the following compound steam engine requires a smaller flywheel ?
Receiver type
Tandem type
Woolf type
all of these
✅ The correct answer is option A.
In a nozzle, the effect of supersaturation is to
decrease dryness fraction of steam
decrease specific volume of steam
increase the entropy
increase the heat drop
✅ The correct answer is option C.
When an internal mouthpiece is running full, the discharge through the mouthpiece is twice the discharge when it is running free.
Correct
Incorrect
✅ The correct answer is option B.
The centrifugal tension in the belt
increases the power transmitted
decreases the power transmitted
has no effect on the power transmitted
is equal to maximum te
✅ The correct answer is option C.
The unit of overall coefficient of heat transfer is
W/m2K
W/m2
W/mK
W/m
✅ The correct answer is option A.
Screws jacks have multiple threads.
Agree
Disagree
✅ The correct answer is option B.