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GATE 2021 ME : Toppers Quiz 4 (App update required to attempt this test)
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Question 1
Which of the following properties of refrigerant is not desirable?
Question 2
A horizontal cantilever beam of circular cross-section, length 1.0 m and flexural rigidity EI = 200 N.m2 is subjected to an applied moment MA = 1.0 N-m at the free end as shown in the figure. The magnitude of the vertical deflection of the free end is _____________mm (round off to one decimal place).
Question 3
In Materials Requirement Planning, if the inventory holding cost is very high and the setup cost is zero, which one of the following lot sizing approaches should be used?
Question 4
In a shaping process, the number of double strokes per minutes is 45 and the quick return ratio is 0.8. If the length of the stroke is 300 mm, the average cutting velocity (in m/min) ___________.
Question 5
Medium temperature tempering increases
i) endurance limit
ii) elastic limit
iii) hardness
i) endurance limit
ii) elastic limit
iii) hardness
Question 6
The example of the Spring-loaded Governor is __________.
Question 7
In electrochemical machining the material removed from iron (atomic weight 56 valancy =2) following data has been taken:
Density = 7.8gram/cc
MRR = 5cc/minute
Specific material removal rate and desired current respectively:
Density = 7.8gram/cc
MRR = 5cc/minute
Specific material removal rate and desired current respectively:
Question 8
The uniform rod in figure weighs 400 N, length of the rod is 12 m
Determine the angle ɵ in degrees.
Question 9
The operating temperature of a refrigeration plant is –2ºC. Heat leaks from the surrounding at the rate of 40 kW for an ambient temperature of 50 ºC. The second law efficiency of the refrigerator is 25%. The power required to drive the plant is ________ kW.
Question 10
Consider a [M/M/1 : (FCFS /∞ /∞/)] queue for the mean arrival rate and the mean service rates are 10 per hour and 15 per hour respectively. What will be the expecged system length and the expected queue length respectively?
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