MES SAE(E/M) Pattern Exam 0.9
MES SAE(E/M) Pattern Exam 0.9
Q1. In a coupling rod of a locomotive, each of the four pairs is a ________ pair.
A. Sliding
B. Turning
C. Rolling
D. Screw
Right Answer : C
Q2. The centre to centre distance between two consecutive rivets in a row, is called-
A. Margin
B. Pitch
C. Back pitch
D. Diagonal pitch
Right Answer : B
Q3. Bronze is an alloy of-
A. Copper and zinc
B. Copper and tin
C. Copper, tin and zinc
D. None of these
Right Answer : B
Q4. Transverse fillet welds are designed for-
A. Tensile strength
B. Compressive strength
C. Shear strength
D. Bending strength
Right Answer : A
Q5. The maximum strain energy that can be stored in a body is known as-
A. Impact energy
B. Resilience
C. Proof resilience
D. Modulus of resilience
Right Answer : C
Q6. A coil is cut into two halves, the stiffness of cut coil will be-
A. Double
B. Half
C. Same
D. None of these
Right Answer : A
Q7. The energy possessed by a body, for doing work by virtue of its position, is called-
A. Potential energy
B. Kinetic energy
C. Electrical energy
D. Chemical energy
Right Answer : A
Q8. Center of gravity of a thin hollow cone lies on the axis at a height of-
A. One-fourth of the total height above base
B. One-third of the total height above base
C. One-half of the total height above base
D. Three-eighth of the total height above the base
Right Answer : B
Q9. The type of line that projects from an object for the express purpose of locating a dimension is a ________ line.
A. Visible
B. Hidden
C. Extension
D. Dimension
Right Answer : C
Q10. Which of the following items is not a path function?
A. Heat
B. Work
C. Kinetic energy
D. Thermal conductivity
Right Answer : D
Q11. All radiations in a black body are-
A. Reflected
B. Refracted
C. Transmitted
D. Absorbed
Right Answer : D
Q12. A flow in which the quantity of liquid flowing per second is constant, is called __________ flow.
A. Steady
B. Streamline
C. Turbulent
D. Unsteady
Right Answer : A
Q13. The compression ratio for the compressor is always _________ unity.
A. Equal to
B. Less than
C. More than
D. None of these
Right Answer : C
Q14. Temperature of gases at end of compression as compared to exhaust gases in a gas turbine is-
A. Higher
B. Lower
C. Equal
D. Can't be compared
Right Answer : B
Q15. The undesirable property of a refrigerant is-
A. Non-toxic
B. Non-flammable
C. Non-explosive
D. High boiling point
Right Answer : D
Q16. The operating pressure for refrigerating units using R-12 as a refrigerant is-
A. 2 bar
B. 8 bar
C. 15 bar
D. 30 bar
Right Answer : B
Q17. The expansion of steam in a nozzle follows-
A. Carnot cycle
B. Rankine cycle
C. Joule cycle
D. Stirling cycle
Right Answer : B
Q18. Engine pistons are usually made of aluminum alloy because it-
A. Is lighter
B. Wear is less
C. Absorbs shocks
D. Is stronger
Right Answer : A
Q19. Reactors for propulsion applications use-
A. Natural uranium
B. Molten lead
C. Any form of uranium
D. Thorium
Right Answer : B
Q20. Wheel base of a vehicle is the-
A. Distance between the centres of the front and rear wheels
B. Distance between the centres of the front tyres
C. Distance between the centres of the rear tyres
D. Extreme length of the vehicle
Right Answer : A
Q21. The carbide tools operating at very low cutting speeds (below 30 m/min)-
A. Reduces tool life
B. Increases tool life
C. Have no effect on tool life
D. Spoils the work piece
Right Answer : A
Q22. The brass and bronze are welded by _________ flame.
A. Neutral
B. Oxidizing
C. Carburising
D. All of these
Right Answer : B
Q23. A gimlet is a ________ tool.
A. Boring
B. Marking
C. Cutting
D. None of these
Right Answer : A
Q24. In sheet metal blanking, shear is provided on punches and dies so that-
A. Press load is reduced
B. Good cut edge is obtained
C. Warping of sheet is minimized
D. Cut blanks is straight
Right Answer : A
Q25. The cutting edge of a chisel should be-
A. Hardened
B. Tempered
C. Hardened and tempered
D. Case hardened
Right Answer : C
Q26. D.C. machines designed with a large value of air gap length have-
A. worst ventilation
B. poor ventilation
C. better ventilation
D. none of the above
Right Answer : C
Q27. _________ electromagnets generally function as holding magnets.
A. Tractive
B. Portative
C. Either of the above
D. None of the above
Right Answer : B
Q28. The field coils of D.C. generator are usually made of-
A. Mica
B. Copper
C. Cast iron
D. Carbon
Right Answer : B
Q29. In a D.C. generator the critical resistance can be increased by-
A. Increasing its field resistance
B. Decreasing its field resistance
C. Increasing its speed
D. Decreasing its speed
Right Answer : C
Q30. The armature voltage control of D.C. motor provides-
A. Constant torque drive
B. Constant voltage drive
C. Constant current drive
D. None of the above
Right Answer : A
Q31. An ideal transformer will have maximum efficiency at a load such that-
A. copper loss = iron loss
B. copper loss < iron loss
C. copper loss > iron loss
D. none of the above
Right Answer : A
Q32. Which of the following equipment, for regulating the voltage in distribution feeder, will be most economical?
A. Static condenser
B. Synchronous condenser
C. Tap changing transformer
D. Booster transformer
Right Answer : D
Q33. The frequency of voltage generated, in case of generators, can be increased by-
A. Using reactors
B. Increasing the load
C. Adjusting the governor
D. Reducing the terminal voltage
Right Answer : C
Q34. The property of coil by which a counter e.m.f. is induced in it when the current through the coil changes is known as-
A. Self-inductance
B. Mutual inductance
C. Series aiding inductance
D. Capacitance
Right Answer : A
Q35. Which of the following circuit elements will oppose the change in circuit current?
A. Capacitance
B. Inductance
C. Resistance
D. All of the above
Right Answer : B
Q36. Two 300 uH coils in series without mutual coupling have a total inductance of-
A. 300 uH
B. 600 uH
C. 150 uH
D. 75 uH
Right Answer : B
Q37. The power is measured in terms of decibels in case of-
A. Electronic equipment
B. Transformers
C. Current transformers
D. Auto transformers
Right Answer : A
Q38. If the frequency is halved and the resistance is doubled, the impedance of a series RL circuit-
A. Doubles
B. Halves
C. Remains constant
D. Cannot be determined without values
Right Answer : D
Q39. A positive angle of 30° is equivalent to a negative angle of-
A. -30°
B. -330°
C. -60°
D. -180°
Right Answer : B
Q40. A 2 Ω RL is connected across a voltage source, VS, of 110 V. The source's internal resistance is 24 Ω. What is the output voltage across the load?
A. 8.5 V
B. 85 V
C. 0 V
D. 110 V
Right Answer : A
Q41. Which of the following is most difficult to fabricate in an IC?
A. Diode
B. Transistor
C. FET
D. Capacitor
Right Answer : D
Q42. The most popular types of ICs are ___________
A. Thin-film
B. Hybrid
C. Thick-film
D. Monolithic
Right Answer : D
Q43. Five 100 Ω resistors are connected in parallel. If one resistor is removed, the total resistance is-
A. 25 Ω
B. 500 Ω
C. 100 Ω
D. 20 Ω
Right Answer : A
Q44. All the voltage drops and the source voltage added together in a series circuit is equal to-
A. The total of the voltage drops
B. The source voltage
C. Zero
D. The total of the source voltage and the voltage drops
Right Answer : C
Q45. The internal resistance of a 20,000 ohm/volt voltmeter set on its 5 V range is-
A. 20,000 Ω
B. 100,000 Ω
C. 200,000 Ω
D. 1,000,000 Ω
Right Answer : B
Q46. In assigning the direction of branch currents-
A. The directions are critical
B. The directions are not critical
C. They must point into a node
D. They must point out of a node
Right Answer : B
Q47. Which of the following is a digital transducer?
A. Strain gauge
B. Encoder
C. Thermistor
D. LVDT
Right Answer : B
Q48. Which of the following recorder gives slow response-
A. X-Y recorder
B. Oscillographic
C. Galvanometric
D. Magnetic
Right Answer : C
Q49. The rating of a fuse wire is always expressed in-
A. Ampere-hours
B. Ampere-volts
C. kWh
D. Amperes
Right Answer : D
Q50. For which of the following 'ampere second' could be the unit?
A. Reluctance
B. Charge
C. Power
D. Energy
Right Answer : B
