Fluid Mechanics and Hydraulic Machines Interview Questions
1)Differentiate between absolute and kinematic viscosity?
2)What is water hammer? What is the function of surge tank and penstock?
3)What is magnus effect? Explain Mach number?
4)What is Cavitation? Explain slip in reciprocating pumps?
5)Describe draft tube and its applications?
6)Describe air vessel, hydraulic ram, accumulator and lift?
7)Give classification of turbines and the difference between impulse and reaction turbine?
Showing posts with label mechanical interview. Show all posts
Showing posts with label mechanical interview. Show all posts
Machine theory Interview Questions Mechanical engineer
Machine theory Interview Questions Mechanical engineer
1)How do you polish a ball bearing?
2)Which gear is used to obtain maximum speed ratio?
3)Explain the functions of Gyroscopes
4)What are the different types of clutches in use and their working?
5)Draw a Hooke’s joint and explain its function
6)What is the type of braking system in trains? Explain its function
7)Explain the function of a gearbox. What are the types of gearboxes?
1)How do you polish a ball bearing?
2)Which gear is used to obtain maximum speed ratio?
3)Explain the functions of Gyroscopes
4)What are the different types of clutches in use and their working?
5)Draw a Hooke’s joint and explain its function
6)What is the type of braking system in trains? Explain its function
7)Explain the function of a gearbox. What are the types of gearboxes?
Gas Dynamics Interview Questions
Gas Dynamics Interview Questions
1)What are Ramjet,Scramjet,Turbojet,Turboprop and Turbofan?
2)What are the basics of Fanno flow and Rayleigh’s flow?
3)What is the difference between open circuit and closed circuit wind tunnel?
4)Draw the adiabatic steady flow ellipse
5)What is meant by a stagnation state?
6)Explain velocity co efficient and nozzle discharge coefficient
1)What are Ramjet,Scramjet,Turbojet,Turboprop and Turbofan?
2)What are the basics of Fanno flow and Rayleigh’s flow?
3)What is the difference between open circuit and closed circuit wind tunnel?
4)Draw the adiabatic steady flow ellipse
5)What is meant by a stagnation state?
6)Explain velocity co efficient and nozzle discharge coefficient
Refrigeration and Air Conditioning Interview Questions
Refrigeration and Air Conditioning Interview Questions
1)Explain simple vapour compression cycle in a refrigerator
2)Which compressor is usually used in air conditioners?
3)What is ASHRAE?
4)Explain Joule-Thomson effect
5)Explain Sensible heating and cooling, superheating and Subcooling
6)What is the significance of multicompressor refrigerator system?
7)What is meant by 1 TR?
8)What is meant by sensible heat factor?
9)Differentiate between RSHF and GSHF
10)What is meant by effective temperature?
1)Explain simple vapour compression cycle in a refrigerator
2)Which compressor is usually used in air conditioners?
3)What is ASHRAE?
4)Explain Joule-Thomson effect
5)Explain Sensible heating and cooling, superheating and Subcooling
6)What is the significance of multicompressor refrigerator system?
7)What is meant by 1 TR?
8)What is meant by sensible heat factor?
9)Differentiate between RSHF and GSHF
10)What is meant by effective temperature?
Thermodynamics Interview Questions :Mechaical interview
Thermodynamics Interview Questions Mechanical engineer
1)What are various thermodynamic systems and their basic definitions?
2)What is meant by the triple point of water?
3)Which Law of Thermodynamics is relevant when you inflate a tyre?
4)Explain a perfect gas and its properties?
5)Why don’t CI engines require spark plug?
6)What is an indicator diagram? What are its advantages? How is it different from a P-V diagram?
7)What is the difference between turbocharging and supercharging?
8)What is knocking, detonation and pre-ignition? What are the preventive methods?
9)New trends in IC engines, CDI,Ball piston, Cam less engines, GDI and VTEC
10)Explain super saturated flow in steam nozzles
11)What is reheat factor?
12)What is meant by a pulsed detonation engine?
13)Is turbocharging possible in a petrol engine? Why?
14)State Fourier’s laws of conduction in one dimension
15)Explain LMTD and NTU methods
16)Explain the concept of black body
17)Differentiate between parallel and counter flow exchangers
1)What are various thermodynamic systems and their basic definitions?
2)What is meant by the triple point of water?
3)Which Law of Thermodynamics is relevant when you inflate a tyre?
4)Explain a perfect gas and its properties?
5)Why don’t CI engines require spark plug?
6)What is an indicator diagram? What are its advantages? How is it different from a P-V diagram?
7)What is the difference between turbocharging and supercharging?
8)What is knocking, detonation and pre-ignition? What are the preventive methods?
9)New trends in IC engines, CDI,Ball piston, Cam less engines, GDI and VTEC
10)Explain super saturated flow in steam nozzles
11)What is reheat factor?
12)What is meant by a pulsed detonation engine?
13)Is turbocharging possible in a petrol engine? Why?
14)State Fourier’s laws of conduction in one dimension
15)Explain LMTD and NTU methods
16)Explain the concept of black body
17)Differentiate between parallel and counter flow exchangers
Mechanical Engineer Interview Questions
Mechanical Engineer Interview Questions
# A bearing is designated as 6205 , what is it’s bore diameter?
# advantages and disadvamtges of using lpg in car?
# All Rector or Exchanger have spherical/hemispherical end Why?
# Compare Brayton and Otto cycle.
# current rating of a 3 phase DG set is 20 Amps, but what will be the per phase current for single phase supply.
# Define Overall Heat transfer coefficient.
# do any one have an idea,of saipem engineering interviw?
# Does Is 2062 Specifies Only Seamless Pipes Or Erw Pipe Is Also Covered Under Is 2062
# During Steam Blowing Of Pipe Line, A Bluish Color Conical Pattern Is Observed At The End Of
# even though LPG is economical than petrol,why we are not promoting LPG usage?
# explain bearing nomenclature with example.
# Explain Why Nozzles are made convergent and Divergent?
# Funtion of cluch
# How a Diesel Engine Works in Generators?Explain with Labelled Diagram.
# how can u increase the efficiency of power plant without changeing in effort?
# How cooling Tower height selected E
# how gravity filling machine is designed
# How hydrulic power stearin @ lutch works plz explain?
# How Hydrulic Power Stering & Clutch works plz explain ?
# how much efficiency loss will took place in a steam turbine due to low vacuum
# how to calculate the speed of conveyer in meter per minute
# How to convert from HP to BHP or CC to Bhp please explain?
# How to find rating of Chiller a.c. plant i.e. how to calculate the a.c. load of an area, feeded by Chiller ?
# How to measure sound level of engine of tractor?
# how turbo charger works?
# If I want to set a power plant in desert of ‘Rajasthan’ and I have option of steam and gas power plant. Which plant I should set up?
# if the blade height is increased,then how it increases the specific speed of centrifugal pump?
# if u have to give support in 1 km long bridge,where u will give it & how many?
# In a Waste heat recovery boiler feed control valve is after the economiser where as in auxilary boiler feed control valve is given before the economiser.why?
# In auto mobile industry for any type of vehicle how can we differentiate 2 stroke and 4 stroke engine....
# A bearing is designated as 6205 , what is it’s bore diameter?
# advantages and disadvamtges of using lpg in car?
# All Rector or Exchanger have spherical/hemispherical end Why?
# Compare Brayton and Otto cycle.
# current rating of a 3 phase DG set is 20 Amps, but what will be the per phase current for single phase supply.
# Define Overall Heat transfer coefficient.
# do any one have an idea,of saipem engineering interviw?
# Does Is 2062 Specifies Only Seamless Pipes Or Erw Pipe Is Also Covered Under Is 2062
# During Steam Blowing Of Pipe Line, A Bluish Color Conical Pattern Is Observed At The End Of
# even though LPG is economical than petrol,why we are not promoting LPG usage?
# explain bearing nomenclature with example.
# Explain Why Nozzles are made convergent and Divergent?
# Funtion of cluch
# How a Diesel Engine Works in Generators?Explain with Labelled Diagram.
# how can u increase the efficiency of power plant without changeing in effort?
# How cooling Tower height selected E
# how gravity filling machine is designed
# How hydrulic power stearin @ lutch works plz explain?
# How Hydrulic Power Stering & Clutch works plz explain ?
# how much efficiency loss will took place in a steam turbine due to low vacuum
# how to calculate the speed of conveyer in meter per minute
# How to convert from HP to BHP or CC to Bhp please explain?
# How to find rating of Chiller a.c. plant i.e. how to calculate the a.c. load of an area, feeded by Chiller ?
# How to measure sound level of engine of tractor?
# how turbo charger works?
# If I want to set a power plant in desert of ‘Rajasthan’ and I have option of steam and gas power plant. Which plant I should set up?
# if the blade height is increased,then how it increases the specific speed of centrifugal pump?
# if u have to give support in 1 km long bridge,where u will give it & how many?
# In a Waste heat recovery boiler feed control valve is after the economiser where as in auxilary boiler feed control valve is given before the economiser.why?
# In auto mobile industry for any type of vehicle how can we differentiate 2 stroke and 4 stroke engine....
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