Time Left - 08:00 mins
SSC JE 2019-20: Technical Quiz 6
Attempt now to get your rank among 698 students!
Question 1
For a steady flow process in a turbine from state 1 to state 2, h1= 450 kJ/kg, h2= 150 kJ/kg and entropy changes from s1 = 1.2 kJ/kgK to s2 = 0.8 kJ/kgK. Ambient temperature is 300 K. Find the change in availability (kJ) _________.
Question 2
The buckling load for a column hinged at both ends is 10 kN. If the ends are fixed, the buckling load changes to
Question 3
Chip flow velocity during machining process is 1.2m/s with chip thickness ratio of 0.6. What is the value of cutting velocity?
Question 4
In a motorbike, a need of compact multiple disc clutch is satisfied by having 7 discs on the driving shaft, and correspondingly 6 discs on the driven shaft. Calculate the no. of pairs of contact surfaces:
Question 5
In an ideal VCRS system the enthalpy of working fluid at the condenser inlet was found to be 256kJ/kg and that at the evaporator outlet was 230kJ/kg. If the enthalpy at the exit of condenser was 120kJ/kg, then calculate the COP of this system.
Question 6
Which one among the following is the most effective strengthening mechanism of nonferrous metal?
Question 7
Match List-| (Type of thermometer) with List-|| (Thermometric property) and select the correct answer using the code given below the lists:
List-|
A) Mercury in glass
B) Thermocouple
C) Thermistor
D) Constant Volume gas
List-||
1) Pressure
2) Electrical resistance
3) Volume
4) Induced electric voltage
List-|
A) Mercury in glass
B) Thermocouple
C) Thermistor
D) Constant Volume gas
List-||
1) Pressure
2) Electrical resistance
3) Volume
4) Induced electric voltage
Question 8
A large concrete slab 1 m thick has one dimensional temperature distribution :
Where T is temperature and x is distance from one face towards other face of wall in meter. If the slab material has thermal diffusivity of
, what is the rate of change of temperature at the other face of the wall?
Where T is temperature and x is distance from one face towards other face of wall in meter. If the slab material has thermal diffusivity of
, what is the rate of change of temperature at the other face of the wall? Question 9
Back work ratio in case of Brayton cycle is given by
Question 10
For linear distribution of velocity in the boundary layer on a flat plate, what is the ratio of displacement thickness (δ*) to the boundary layer thickness (δ)?
- 698 attempts
- 0 upvotes
- 8 comments
Tags :
ESE & GATE MEGeneralApr 23ESE & GATE ME
