solid section
hollow section
composite section
reinforced section
✅ The correct answer is option C.
Mechanical Engineering MCQs
The coefficient of fluctuation of energy is the ratio of maximum energy to the minimum energy.
TRUE
FALSE
✅ The correct answer is option B.
The specific weight is also known as weight density.
Correct
Incorrect
✅ The correct answer is option A.
Which of the following pump is successfully used for lifting water to the turbines?
Centrifugal pump
Reciprocating pump
Jet pump
Air lift pump
✅ The correct answer is option C.
In a centre lathe, the cutting tool is fed in __________ with reference to the lathe axis.
cross direction only
longitudinal direction only
both cross and longitudinal direction
any direction
✅ The correct answer is option C.
A carbon steel having Brinell hardness number 100 should have ultimate tensile strength closer to
100 N/mm2
200 N/mm2
350 N/mm2
1000 N/mm2
✅ The correct answer is option C.
The value of Lewis form factor used in design of gears is
dependent on number of teeth of a gear
dependent on system of teeth
independent of size of teeth
all of these
✅ The correct answer is option D.
A petrol engine has compression ratio from
6 to 10
10 to 15
15 to 25
25 to 40
✅ The correct answer is option A.
The width of the pulley should be __________ width of the belt.
equal to
less than
greater than
✅ The correct answer is option C.
When a fluid is allowed to expand suddenly into a vaccum chamber through an orifice of large dimensions, the process is known as free expansion process.
TRUE
FALSE
✅ The correct answer is option A.