MES SAE(E/M) Pattern Exam 0.6
MES SAE(E/M) Pattern Exam 0.6:
Q1. Which among these devices are the best suited for the measurement of high pressure liquids with high accuracy?
A. Dendy weight gauge
B. Vacuum gauge
C. Managing wire pressure
D. lyonization gauge
Right Answer : C
Q2. Falling drops of water become spenders due to the property of-
A. surface tension of water
B. compressibility of water
C. capillarity of water
D. viscosity of water
Right Answer : A
Q3. The pressure at any given point of a non-moving fluid is called the-
A. gauge pressure
B. atmospheric pressure
C. differential pressure
D. hydrostatic pressure
Right Answer : D
Q4. The centre of pressure acts .... the centre of gravity of immersed surface.
A. at
B. below
C. above
D. in
Right Answer : B
Q5. The pressure of a liquid measured with the help of piezometer tube-
A. vacuum pressure
B. gauge pressure
C. absolute pressure
D. atmospheric pressure
Right Answer : B
Q6. The coefficient of discharge for an external mouth pices is
A. 0.375
B. 0.707
C. 0.5
D. 0.855
Right Answer : C
Q7. Falling drops of water become sphere due to the property of water is called-
A. surface tension
B. capillarity
C. compressibility
D. viscosity
Right Answer : A
Q8. n industrial applications hydraulic fluids have viscosity grade ranging-
A. 46 to 68
B. 70 to 95
C. 15 to 44
D. none
Right Answer : A
Q9. The frictional resistance of a pipe varies approximately with ... of the liquid.
A. Pressure
B. velocity
C. square of velocity
D. cube
Right Answer : C
Q10. Which property decides the behavior of fluid when mind with water?
A. pour point
B. viscosity
C. demursibuty
D. oxidation
Right Answer : B
Q11. Define Viscosity-
A. Resistance to flow of an object
B. Resistance to flow of air
C. Resistance to flow of fluid
D. Resistance to flow of heat
Right Answer : C
Q12. Barometer is used to measure—
A. velocity of liquid
B. atmospheric pressure
C. pressure in pipes and channels
D. difference of pressure between two points in a pipe
Right Answer : B
Q13. What is the unit weight of water?
A. 50 lb/ft^2
B. 90.5 lb/ft^2
C. 62.5 lb/ft^2
D. 100 lb/ft^2
Right Answer : C
Q14. Water is Liquid-
A. a compressible
B. absolute pressure
C. an incompressible
D. None of these
Right Answer : C
Q15. Law of intensity of pressure-
A. P=WH
B. P=mH
C. P=ωH
D. P=TH
Right Answer : C
Q16. Reynold's number is the ratio the inertia force to the-
A. surface tension force
B. viscous force
C. gravity force
D. elastic force
Right Answer : B
Q17. The viscosity of water is -----than mercury.
A. more
B. slightly less
C. less
D. nearly equal
Right Answer : A
Q18. The mass per unit volume of a liquid of a standard temperature and pressure is called-
A. specific weight
B. mass density
C. specific gravity
D. none
Right Answer : B
Q19. The function of anti-lock brake system (ABS) is that is-
A. Reduces the stopping distance
B. Minimizes the brake fade
C. Maintains directional control during braking by preventing the wheels from locking
D. Prevents nose dives during braking and thereby postpones locking of the wheels
Right Answer : C
Q20. The basic characteristics of a brake fluid is-
A. A high boiling point
B. A high boiling point
C. Compatibility with rubber and metal parts
D. All of these
Right Answer : D
Q21. The purpose of transmission in an automobile is-
A. To vary the speed of automobile
B. To vary the torque at the wheels
C. To vary the power of automobile
D. None of these
Right Answer : B
Q22. The stroke of an engine is the-
A. Volume of the cylinder
B. Length of the connecting rod
C. Internal diameter of the cylinder
D. Distance between T.D.C. and B.D.C.
Right Answer : D
Q23. The seat belt tensioners are built in the-
A. Front seats
B. Shoulder anchors
C. Seat belt retractors
D. Seat belt buckles
Right Answer : C
Q24. The basic part of the engine, to which the other engine parts are attached or assembled is the-
A. Cylinder head
B. Crankshaft
C. Cylinder block
D. Oil pan
Right Answer : C
Q25. The natural gas is compressed in a CNG cylinder at a pressure of-
A. 200 bar
B. 220 bar
C. 250 bar
D. 300 bar
Right Answer : A
Q26. The crankshaft of a typical inline four cylinder engine has ________ balance weights.
A. 12
B. 4
C. 16
D. 8
Right Answer : D
Q27. The power source for a brake booster is-
A. Exhaust manifold pressure
B. Electricity
C. The pressure difference between the atmospheric pressure and the vacuum pressure in the intake manifold
D. Hydraulic pump
Right Answer : C
Q28. Petrol that detonates easily is called-
A. High octane petrol
B. Low octane petrol
C. Unleaded petrol
D. Blended fuel
Right Answer : B
Q29. The device for smoothening out the power impulses from the engine is called-
A. Clutch
B. Differential
C. Flywheel
D. Torque converter
Right Answer : C
Q30. In automobiles G.V.W. refers to-
A. Gross vehicle width
B. Gross vehicle weight
C. Gross vehicle wheel base
D. Gross vehicle wheel track
Right Answer : B
Q31. The characteristic that is enhanced by the honing of cylinder sleeves inner surface is-
A. Cooling efficiency
B. Resistance to wear
C. Lubrication performance
D. None of these
Right Answer : C
Q32. Damper is also known as-
A. Shock absorber
B. Torsion bar
C. Spring
D. Radius rod
Right Answer : A
Q33. The valve overlap in four stroke petrol engines is approximately-
A. 30°
B. 60°
C. 90°
D. 120°
Right Answer : A
Q34. In a moving iron meter, the deflecting torque is proportional to-
A. Current through the coil
B. Square of the current through the coil
C. Sine of the measured
D. Square root of the measured
Right Answer : B
Q35. The EMF of Weston standard cell is measured using-
A. Moving-iron meter
B. Digital Voltmeter
C. Moving-coil meter
D. Potentiometer
Right Answer : D
Q36. No eddy current and hysteresis losses occur in-
A. Electrostatic instruments
B. PMMC instruments
C. Moving iron instruments
D. Electro dynamo meter instruments
Right Answer : A
Q37. Resistances can be measured with the help of-
A. Watt-meters
B. Voltmeters
C. Ammeters
D. Ohmmeters and resistance bridges
Right Answer : D
Q38. To measure the flux, devices used are based on-
A. Voltaic effect
B. Hall effect
C. Piezo-eclectic effect
D. Photo-voltaic effect
Right Answer : B
Q39. The chemical effect of current is used in-
A. DC ammeter hour meter
B. DC ammeter
C. DC energy meter
D. None of the above
Right Answer : A
Q40. Wien bridge is useful for measuring-
A. Very high frequency
B. Medium frequency
C. Low frequency
D. High frequency
Right Answer : D
Q41. The absolute measurement of resistance is done by-
A. Ohm's law method
B. Bridge method
C. Rayleigh method
D. Lorenz method
Right Answer : D
Q42. In a portable instrument, the controlling torque is provided by-
A. Spring
B. Eddy currents
C. Gravity
D. All of the above
Right Answer : A
Q43. The multiplier and the meter coil in a voltmeter are in-
A. Series
B. Parallel
C. Series-parallel
D. None of the above
Right Answer : A
Q44. If the cross-sectional area of a magnetic field increases, but the flux remains—
A. the same
B. the increases
C. decreases
D. none
Right Answer : C
Q45. An ohmmeter is an instrument for measuring-
A. current
B. resistance
C. voltage
D. wattage
Right Answer : B
Q46. What is the largest integer number that a PLC counter function can reach if it uses a 16-bit register?
A. 32.768
B. 65.535
C. 65.536
D. 65.537
Right Answer : B
Q47. Current limiting reactors in power system have-
A. large resistance and low reactance
B. large reactance and low reactance
C. large reactance and resistance
D. low reactance and resistance
Right Answer : C
Q48. In PLC programming, a retentive function is one that-
A. Defaults to the "on" state
B. Comes last in the program
C. Cannot be edited or deleted
D. Is not reset after a power cycle
Right Answer : D
Q49. A good application for a timed interrupt in a PLC program would be-
A. A communications function block
B. A PID function block
C. A math function block
D. A motor start/stop rung
Right Answer : B
Q50. IEC means-
A. International Electric Commission
B. International Electrotechnical Commission
C. Internal Electrotechnical Co-operation
D. None of them
Right Answer : B
