✅ The correct answer is option C.
Engineering MCQs
The unit speed of the turbine runner is
✅ The correct answer is option A.
For 450 m head of water, __________ shallbeused.
Pelton wheel
Kaplan turbine
Francis turbine
none of these
✅ The correct answer is option A.
According to Euler’s column theory, the crippling load of a column is given by p = π2 EI/Cl2 In this equation, the value of C for a column with both ends hinged, is
1-Apr
1-Feb
1
2
✅ The correct answer is option C.
In a petrol engine, if diesel is used, then the engine will
not run
run more efficiently
run at high speed
explode
✅ The correct answer is option A.
A metal pipe of 1 m diameter contains a fluid having a pressure of 1 N/mm2. If the permissible tensile stress in the metal is 20 N/mm2, then the thickness of the metal required for making the pipe will be
5 mm
10 mm
15 mm
25 mm
✅ The correct answer is option D.
The mechanical draught __________ with the amount of smoke.
increases
decreases
does not effect
✅ The correct answer is option B.
The refrigerant supplied to a compressor must be
superheated vapour refrigerant
dry saturated liquid refrigerant
a mixture of liquid and vapour refrigerant
none of these
✅ The correct answer is option A.
A non-reversible machine is also called a self-locking machine.
Agree
Disagree
✅ The correct answer is option A.
The product of the diametral pitch and circular pitch is equal to
1
1/π
π
π x number of teeth
✅ The correct answer is option C.