The unit of following property is not m²/s
Anonymous Quiz
19%
Thermal diffusivity
26%
Kinematic viscosity
35%
Dynamic viscosity
20%
Mass diffusivity
Which of the following is high head turbine?
Anonymous Quiz
58%
Pelton
16%
Francis
21%
Kaplan
6%
Propeller
FIFO is most applicable to sequencing of
Anonymous Quiz
43%
One machine and ‘n’ jobs,
29%
2 machines and ‘n’ jobs,
12%
3 machine ‘n’ jobs,
16%
‘n’ machines and 2 jobs
The contact surface of the two links are similar
Anonymous Quiz
51%
Lower pair
23%
Higher pair
20%
Closed pair
5%
None of the above
The undesirable property of refrigerant is
Anonymous Quiz
13%
Non toxic
14%
Non flammable
10%
Non explosive
64%
High boiling point
How r u all i need to continue question daily in this group for 2024 year if subscribe you want say yes or no
Anonymous Poll
89%
Put question daily
8%
Don't put question
3%
Close the group
A boundary may be
Anonymous Quiz
17%
not movable
36%
Not real
17%
not flexible
30%
None of these above
A sealed bottle of soft drinks(Ex:pepsi) is an example of
Anonymous Quiz
8%
Open system
64%
Closed system
22%
Isolated system
5%
All of these
Which of the following is called antifriction bearing?
Anonymous Quiz
4%
Slide Contact bearing
10%
Collar bearing
54%
Rolling contact bearing
32%
All of the above
A system free from chemical reactions is in
Anonymous Quiz
8%
Thermal equilibrium
56%
Chemical equilibrium
14%
Mechanical equilibrium
22%
All of these
The second law of thermodynamics is closely associated with the concepts of
Anonymous Quiz
59%
Entropy and entropy generation
23%
Entropy and not Entropy generation
15%
Enthalpy and Enthalpy generation
4%
Enthalpy and not Enthalpy generation
A particle starts from rest and moves in a straight line whose equation of motion is given by S = 2t³- t² - 1. The acceleration of the particle after one second will be
Anonymous Quiz
16%
4 m/s2
32%
6 m/s2
14%
8 m/s2
39%
10 m/s2
When there is a reduction in the amplitude for every cycle of vibration then the body is said to be in
Anonymous Quiz
8%
Forced vibration
16%
Free vibration
21%
Un damped vibration
55%
Damped vibration
Which of the following material has maximum ductility?
Anonymous Quiz
52%
Mild steel
25%
Copper
20%
Aluminium
3%
Nickel
What is the composition of red brass?
Anonymous Quiz
7%
Lead and nickel
45%
Copper, Tin and zinc
42%
Copper, zinc and nickel
6%
Nickel, Tin and zinc
Which alloy consists of copper and tin?
Anonymous Quiz
38%
Bell metal
34%
Solder
10%
Rose Metal
18%
German silver