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This set of Metrology and Measurements Multiple Choice Questions & Answers (MCQs) focuses on Metrology And Measurements Set 12
Q1 | Which of the following is the best for the examination of surface finish?
- touch inspection
- visual inspection
- scratch inspection
- microscopic inspection
Q2 | Which of the following material is not used for rubbing on the surface to be inspected in scratch inspection?
- softer material
- hard material
- plastic
- lead babbitt
Q3 | What is the limitation of microscopic inspection to check surface finish?
- an average value is needed
- small portion of surface can be detected at a time
- a master finish surface is also needed
- it is necessary to inspect whole surface together
Q4 | In the method of microscopic inspection what is the angle of beam light with the work?
- 200
- 300
- 600
- 900
Q5 | Which of the following is true for a method of measurement of surface finish with surface photographs?
- different type of illumination is needed
- no effect of type of illumination
- same type of illumination is needed
- monochromatic light is needed
Q6 | In case of vertical illumination in measuring surface finish with surface photographs, which will appear as bright area?
- flat portion
- scratch
- irregularity
- hills
Q7 | Which of the following method use pendulum in measuring the surface finish?
- micro interferometer
- wallace surface dynamometer
- reflected light intensity method
- microscopic inspection
Q8 | Which of the following is not true for the method of measurement of surface finish by micro interferometer?
- optical flat is used
- monochromatic source of light is used
- depth of defect can’t be measured
- interference lines plays an important role in identification of the defect
Q9 | Which of the following is the direct measure of surface finish in Wallace surface dynamometer?
- time of swing
- angle of swing
- length of swing
- height of swing
Q10 | Which of the following is a destructive method in measuring surface finish?
- gloss measurement
- taper sectioning
- diffraction technique
- micro interferometer
Q11 | In which type of system does power transmission takes place through compressed air?
- fluid power system
- hydraulic system
- pneumatic system
- stepper motors
Q12 | The compressed air flows to the actuator through
- pipes and valves
- shafts
- motors
- flow control valve
Q13 | The compressed air is delivered to the pneumatic system through the air compressor.
- true
- false
Q14 | What is the function of the air dryer?
- removes dirt
- removes moisture
- controls the rate of flow
- controls the pressure
Q15 | Which part of the Pneumatic system stores the compressed air?
- air dryer
- air compressor
- air receiver tank
- air lubricator
Q16 | Which type of pumps can give discharge even at high pressure?
- multistage pumps
- monoblock pumps
- rotary pumps
- single stage pumps
Q17 | Which type of component in the hydraulic system supports less vibration and noise?
- flow control valve
- oil reservoir
- rotatory pumps
- pressure gauge
Q18 | Hydraulic systems are slower in operation.
- true
- false
Q19 | What prevents the leakage of oil inside an unbalanced vane pump?
- vanes
- cylindrical rotor
- screw
- difference between the pressure of inlet and outlet
Q20 | Which among the following are not the main selection criteria for selection of hydraulic pumps?
- discharge
- pressure
- speed
- weight
Q21 | Which is the cheapest device for measuring flow / discharge rate.
- venturimeter
- pitot tube
- orificemeter
- none of the mentioned
Q22 | The principle of Orificemeter is same as that of Venturimeter.
- true
- false
Q23 | What is the relationship between Orificemeter diameter and pipe diameter
- orificemeter diameter is 0.5 times the pipe diameter
- orificemeter diameter is one third times the pipe diameter
- orificemeter diameter is one fourth times the pipe diameter
- orificemeter diameter is equal to the pipe diameter
Q24 | The Orificemeter readings are more accurate than Venturimeter.
- true
- false
Q25 | The Orificemeter readings are more accurate than Pitot tube readings.
- true
- false