ENGINEERING CAREER AND STUDY MATERIALS

MECHANICAL ENGINEERING EXAM QUESTIONS Question # 1. If the mechanical properties of a composite improves as a result of increasing the average fibre length, then it is called (1) Long fibre (2) Short fibre (3) Medium length fibre (4) Elastic fibre Question # 2. A refrigerator working on a reversed Carnot cycle removes 2 kW per minute of heat from a system working between the temperatures of 300 K and 200 K. The COP and power consumed by the cycle will be (1) 1, 1 kW (2) 1, 2 kW (3) 2, 1 kW (4) 2, 2 kW Question # 3. 18-4-1 HSS steel contains (1) 18% tin, 4% nickel, 1% chromium (2) 18% tungsten, 4% nickel, 2% chromium (3) 18% tungsten, 4% chromium, 1% vanadium (4) 18% nickel, 4% chromium, 1% manganese Question # 4. The dryness fraction of sample steam in separating calorimeter is 0·9 and in throttling calorimeter is 0·8. The dryness fraction of the sample is (1) 0·9 (2) 0·8 (3) 0·66 (4) 0·72 Mechanical Engineering Solved Question Paper-100 Questions- Clic

Question No. 1:-The 8-bit encoding format used to store data in a computer is  A:-ASCII  B:-EBCDIC  C:-ANCI  D:-USCII  Correct Answer:- Option-B Question No. 2:-The resistance of an ideal voltmeter is _________  A:-Zero  B:-Low  C:-High  D:-Infinite  Correct Answer:- Option-D Question No. 3:-The tenacity or hardness with which the bond holds the cutting point or abrasives in place of a grinding wheel is defined by the term ?  A:-Structure  B:-Grit size  C:-Grain size  D:-Grade  Correct Answer:- Option-D Question No. 4:-Generally, no corrosion allowance in wall thickness of a part is required, if the thickness is more than  A:-5 mm  B:-10 mm  C:-20 mm  D:-30 mm  Correct Answer:- Option-D Question No. 5:-Which of the following fine dust removal equipment is the most efficient ?  A:-bag filter  B:-scrubber  C:-electrostatic precipitator  D:-cyclone separator  Correct Answer:- Option-C Question No. 6:-Bimetallic thermometers are used to measure the te

Junior Engineer (Electrical) - AIIMS Jodhpur Model Question Answer Electrical Engineers Recruitment Examination conducted by AIIMS Jodhppur, the previous question papers published in our websites and the model questions answers are listed below Q. No. 1. Various adjustments in an energy meter include (a) light load or friction (b) lag and creep (c) overload and voltage compensation (d) temperature compensation (e) all of the above Answer: (e) all of the above Q. No. 2. The line trap unit employed in carrier current relaying: (A) offers high impedance to 50 Hz power frequency signal (B) offers high impedance to carrier frequency signal (C) offers low impedance to carrier frequency signal (D) Both (A) & (C) Answer: (B) offers high impedance to carrier frequency signal Junior Engineer (Electrical) - AIIMS Jodhpur Model Question Answer   Q. No. 3.Most sensitive galvanometer is (a) elastic galvanometer (b) spot ballistic galvanometer (c) Duddlb galvanometer (d) vib

Question No.1. A d.c. shunt motor runs at no load speed of 1140 r.p.m. At full load, armature reaction weakens the main flux by 5% whereas the armature circuit voltage drops by 10%. The motor full load speed in r.p.m. is (A) 1200 (B) 1203 (C) 1000 (D) 1080 Answer: (D) 1080 Question No.2 The voltage at the two ends of a transmission line are 132 KV and its reactance is 40 ohm. The Capacity of the line is (A) 251.5 MW (B) 217.8 MW (C) 435.6 MW (D) 500 MW Answer: (C) 435.6 MW Question No.3. The gravity controlled instrument has crowded scale because current is proportional to (A) balancing weight (B) deflection angle (C) sine of deflection angle (D) Location of CT Ans: (C) sine of deflection angle Question No.4. For LV applications (below 1 kV), ______________ cables are used. (A) Paper insulated. (B) Single core cables. (C)Plastic. (D) Oil filled. Answer: B) Single core cables. Question No.5. The eddy current loss in an a-c electric motor is 100 watts

Electrical Engineering Questions with Answer 2017 Question # 1. The drive motor used in a mixer-grinder is a (A) universal motor. (B) induction motor. (C) synchronous motor. (D) dc motor. Ans: (A) universal motor. Question # 2. The direction of rotation of hysteresis motor is reversed by  (A) Reversing supply lead  (B) Shift shaded pole with respect to main pole  (C) Either A or B  (D) Neither A nor B Ans: (B) Shift shaded pole with respect to main pole Question # 3. Alternating current is measured by (A) induction ammeter (B) permanent magnet type ammeter (C) electrostatic ammeter (D) moving iron repulsion type voltmeter Ans: (A) induction ammeter Question # 4. A 3-phase, 400 votts, 50 Hz, 100 KW, 4 pole squirrel cage induction motor with a rated slip of 2% will have a rotor speed of (A) 1500 rpm (B) 1570 rpm (C) 1530 rpm (D) 1470 rpm Ans: (D) 1470 rpm Question # 5. The torque, in a _____________is proportional to the square of the armature current (

1. Which of the following is not a vector ? (a) Linear momentum (b) Electric potential (c) Electric field (d) Angular momentum Answer: (d) Angular momentum 2. The efficiency of a machine should be as ______ as possible to reduce the operating cost. (a) high (b) low (c) either of the above (d) none of the above Answer:(a) high 3. The force between two charges is 120 N. If the distance between the charges is doubled, the force will be (a) 60 N (b) 40 N

Question# 1. A sensitive galvanometer produces large deflection for a (a) large value of power (b) large value of current (c) small value of current (d) large value of voitage (e) none of the above Answer: (c) small value of current Question# 2. Mass, in force-voltage analogy, is analogous to (a) charge (b) current (c) resistance (d) inductance Answer: (d) inductance Question# 3. To measure radio frequency, the suitable frequency meter is (a) hetrodyne frequency meter (b) reed vibrator frequency meter (c) Weston frequency meter (d) electrical resonance frequency meter Answer: (a) hetrodyne frequency meter Question# 4. Which of the following can be measured by the use of a tacho-generator ? (a) Acceleration (b) Speed (c) Speed and acceleration (d) Displacement Answer: (b) Speed Question# 5. The power of a n-phase circuit can be measured by using a minimum of (a) (n - 1) wattmeter elements (b) n wattmeter elements (c) (n + 1) wattmeter elements (d