A. Finer
B. Coarser
C. Medium
D. Any type of
✅ The correct answer is option B.
Engineering MCQs
Plastics as a material of construction suffer from the drawback of low
A. Machinability
B. Density
C. Strength
D. Plastic deformation
✅ The correct answer is option C.
Use of economiser in a boiler plant reduces the fuel consumption for steam generation by about __________ percent.
A. 1
B. 10
C. 30
D. 45
✅ The correct answer is option B.
Hydrocyclone is a
A. Crusher
B. Wet classifier
C. Dry classifier
D. Magnetic separator
✅ The correct answer is option B.
Hardness & tensile strength of austenitic stainless steel can be increased by
A. Martempering
B. Cold working
C. Normalising
D. Hardening
✅ The correct answer is option B.
Which of the following has the least oili-ness ?
A. Mineral oils
B. Vegetable oils
C. Greases
D. Animal oils
✅ The correct answer is option A.
Which of the following alloying elements when added in steel does not improve its lachinability?
A. Sulphur
B. Phosphorous
C. Copper
D. Lead
✅ The correct answer is option C.
For the running of power generating turbines, the steam used should be
A. Wet
B. Superheated
C. At ordinary pressure
D. None of these
✅ The correct answer is option B.
Which of the following accounts for maximum loss of energy in a coal fired boiler?
A. Incomplete combustion of fuel
B. Outgoing flue gases
C. Radiation heat losses
D. Unburnt carbon in ash
✅ The correct answer is option B.
Minimum number of members required to form a Public Limited Joint Stock Company is
A. 7
B. 10
C. 12
D. 17
✅ The correct answer is option A.