✅ The correct answer is option A.
Mechanical Engineering MCQs
According to Manning’s formula, the discharge through an open channel is (where M = Manning’s constant)
A x M x m1/2 x i2/3
A x M x m2/3 x i1/2
A1/2 x M2/3 x m x i
A2/3 x M1/3 x m x i
✅ The correct answer is option B.
A bolt is made to pass through a tube and both of them are tightly fitted with the help of washers and nuts. If the nut is tightened, then
bolt arid tube are under tension
bolt and tube are under compression
bolt is under compression and tube is under tension
bolt is Under tension
✅ The correct answer is option D.
In jobbing production
highly skilled workers are needed
unit costs are high
operations are labour-intensive
all of these
✅ The correct answer is option D.
If the helix angle of a helical gear is increased, the load carrying capacity of the tooth increases.
Correct
Incorrect
✅ The correct answer is option B.
In reaming process
metal removal rate is high
high surface finish is obtained
high form accuracy is obtained
high dimensional accur
✅ The correct answer is option C.
The pressure of air at the beginning of the compression stroke is __________ the atmospheric pressure.
equal to
less than
more than
✅ The correct answer is option B.
Planck’s law holds good for all coloured bodies.
TRUE
FALSE
✅ The correct answer is option A.
The air resistance to a car at 20 kmph is R. The air resistance at 40 kmph will be
R
2 R
4R
4 R2
✅ The correct answer is option C.
In manufacturing management, the term ‘Dispatching’ is used to describe
dispatch of sales order
dispatch of factory mail
dispatch of finished product of the user
dispatch of work order
✅ The correct answer is option D.