#1
June 30th, 2014, 11:32 AM
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Jindal Steel past year question papers of entrance exam of Mechanical Engineering
Can you please give me the Jindal Steel past year question papers of entrance exam of Mechanical Engineering as it is very urgent for me?
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#2
June 30th, 2014, 01:56 PM
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Re: Jindal Steel past year question papers of entrance exam of Mechanical Engineering
As you want to get the Jindal Steel past year question papers of entrance exam of Mechanical Engineering so here is the information of the same for you: In PERT analysis a critical activity has A) maximum Float B) zero Float C) maximum Cost D) minimum Cost Answer : (B) Environment friendly refrigerant R134a is used in the new generation domestic refrigerators. Its chemical formula is A) CH C1 F2 B) C2 C13 F3 C) C2 C12 F4 D) C2 H2 F 4 Answer : (D) The S-N curve for steel becomes asymptotic nearly at A) 103 cycles B) 104 cycles C) 106 cycles D) 109 cycles Answer : (C) In a rolling process, sheet of 25 mm thickness is rolled to 20 mm thickness. Roll is of diameter 600 mm and it rotates at 100 rpm. The roll strip contact length will be A) 5 mm B) 39 mm C) 78mm D) 120mm Answer : (A) The angle between two unit-magnitude coplanar vectors P(0.866, 0.500,0) and Q(0.259, 0.966,0) will be A) 0° B) -30° C) 45° D) 60° Answer : (C) 15 A lot has 10% defective items. Ten items are chosen randomly from this lot. The probability that exactly 2 of the chosen items are defective is A) 0.0036 B) 0.1937 C) 0.2234 D) 0.3874 Answer : (B) the execution of a CNC part program block NO20 GO2 X45.0 Y25.0 R5.0 the type of tool motion will be A) circular Interpolation — clockwise B) circular Interpolation — counterclockwise C) linear Interpolation D) rapid feed Answer : (A) In an interchangeable assembly, shafts of size 25.000+0.040mm mate with holes of size 25.000+0.020 mm. The maximum possible clearance in the assembly will be A) 10 microns B) 20 microns C) 30 microns D) 60 microns Answer : (D) S-N curve for steel becomes asymptotic nearly at A) 103 cycles B) 104 cycles C) 10 6 cycles D) 10 9 cycles Answer : (C) The chronological order of strokes in a four stroke petrol engine is: 1] Suction stroke, working stroke, compression stroke and exhaust stroke. 2] Suction stroke, compression stroke, working stroke and exhaust stroke. 3] Compression stroke, working stroke, suction stroke and exhaust stroke. 4] Compression stroke, suction stroke, working stroke and exhaust stroke. The enthalpy of steam is defined as: 1] Difference of internal energy and product of pressure and volume. 2] Product of internal energy and pressure. 3] Sum of internal energy and product of pressure and volume. 4] Amount of heat change divided by the absolute temperature. Which of the following operations can be performed using a drilling machine? A. Reaming B. Countersinking C. Spot Facing D. Thread tapping 1] Only A, B and D 2] Only B, C and D 3] Only A, B and C 4] All of these Which of the following are the advantages of impulse turbine over reaction turbines? A. Occupies less space per unit power. B. Compounding is not necessary for speed reduction as the rotor speeds are usually low. C. Suitable for high power generation. 1] B and C only 2] A only 3] C only 4] A and C only Maximum power transfer through line V1= 110 kv, V2= 100kv, X=22 ohm is a 500 MW b 500 KW c 250 MW d 250 KW Ans: 500 MW Q.Which type of power plant requires maximum expenditure a Hydel power plants b Nuclear power plants c Thermal power plants d Gas based power plants Q.Base load of a power station stands for a 2-4 hours/day b 4-8 hours/day c 8-12 hours/day d 12-24hours/day Ans: 12-24hours/day Q.A wire is placed on the top of a transmission line to protect from a surge high voltage b Direct lightning strocks c indirect lightnin strocks d Switching over voltages Ans: Direct lightning strocks Q.A wire is placed on the top of a transmission line acts as a acts as a phase wire b acts as neutral c acts as a transmission wire d acts as ground wire Which of the following can be magnified by magnetic amplifier (a) voltage (b) current (c) power (d) none of above The inductance is not used in lag network because of (a) big size b) time delay and hysteresis losses (c) high reactance (d) none of these Saturation in a stable control system can cause (a) conditional stability (b) over damping (c) low level oscillations (d) high level oscillations Excessive noise in control systems can cause a) reduction in bandwidth (b) reduction in gain (c) saturation in amplifying stages (d) oscillations The type-0 system has (a) net pole at the origin (b) no pole at the origin (c) simple at one origin (d) two poles at the origin In control systems, excessive bandwidth should be avoided because (a) noise is proportional to bandwidth (b) it leads to low relative stability (c) it leads to slow speed of response (d) none of these In most systems, an increase in gain leads to (a) larger damping ratio (b) smaller damping ratio (c) constant damping ratio (d) none of these A step function is applied to the input of a system and output is of the form y = t, the system is (a) stable (b) unstable (c) not necessarily stable (d) conditionally stable The function of the safety resistor in ohm meter is to (a) limit the current in the coil (b) increase the voltage drop across the coil (c) increase the current in the coil (d) protect the battery Which of the following instruments is free from hysteresis and eddy current losses? (a) M.l. instrument (b) electrostatic instrument (c) electrodynamometer type instrument (d)all of these The dielectric loss of a capacitance can be measured by (a) Wien bridge (b) Owen bridge (c) Schering bridge (d) Maxwell bridge Reed frequency meter is essentially a (a) recording system (b) deflection measuring system (c) vibration measuring system (d) oscillatory measuring system In measurements made using a Q meter, high impedance elements should preferably be connected in (a) star (b) delta (c) series (d) parallel A digital voltmeter measures (a) peak value (b) peak-to-peak value (c) rms value (d) average value |
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