ELGI Placement - Technical questions from past

ELGI Placement - Technical questions from past

The technical questions observed are:

• Define Rupture

• When will centre of pressure be equal to centre of gravity?

• Explain critical pressure

• What will be the result if petrol is used in diesel engine?

a. Black smoke
b. Improper combustion
c. Lot of fuel
d. Higher knocking

• Choose from the below given option a popular firing sequence.

a. 1423
b. 1342
c. 1324
d. 1234
e. 1243

• When will the output if diesel engine increase?

a. Incoming air
b. When more fuel is utilised
c. By supercharging
d. Scavenging
e. Flywheel size

• What will be isothermal, isochoric, adiabatic and isobaric be under idyllic situation?

a. Dynamic
b. Stable
c. Thermodynamic
d. Static
e. Quan – static

• Choose the correct alternative for ‘reversible polytrophic process’.

a. Entropy constant
b. Density constant
c. Temperature constant
d. Volume constant
e. Same heat transfer

• What is axial low pump used in?

• Define Compressor performance curve.

• List the equilibrium conditions.

• What is the purpose of shock absorber?

• What is it called when a heat engine attains 100% efficiency?

a. II law
b. I law
c. Zeroth law
d. All

• What is reciprocating compressor used for?

a. Large quantity of air at low pressure
b. Low quantity of air at low pressure
c. Large quantity of air at high pressure
d. Low quantity of air at high pressure

• What is the reason behind vortex being on whirlpool?

a. Wake
b. Drag
c. Cavitation

• What is the usage of reamer?

• What does statistical quality control chart use?

a. Probability
b. Statistics
c. All of the above.