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29th April 2016, 09:17 AM
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HAL Management Trainee Previous Year Question Papers with Answers
Hello, I want to apply for the management trainee exam in HAL and I want the previous years’ paper with answer.
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#2
29th April 2016, 09:18 AM
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Re: HAL Management Trainee Previous Year Question Papers with Answers
Hello, here I am providing you the paper of the management trainee exam of HAL as under: 1. When length of a wire increases its resistance a. doubles b. half c. remains same Ans: ( a ) 2. When a 50 Hz ,6-pole Induction Motor runs at 975rpm,the rotor emf frequency is a. 12.5Hz b. 1.25Hz c. 4Hz Ans: ( b ) 3. When a 6 pole 50Hz Induction Motor runs at 1450 rpm , it’s working mode is a. motoring b. braking c. generating Ans: ( a ) 4. Slips for Different modes of operation of Induction Motor are answer: motoring -0<S<1,generating- S<0,braking - S>1 5. Damping ratio ( ξ ) is 0.75, natural frequency is 12 rad/s are given & asked to find peak time 6. In electrodynamo-meter type wattmeter a. pressure coil is made fixed b. current coil is made fixed c. both the coils are made fixed Ans: ( a ) 7. In flux meter control torque is produced by a. weights attached to it. b. Springs c. No control torque is there Ans: ( c ) 8. One question regarding hot wire instrument 9. In MI meters deflecting torque is proportional to a. square of the current b. square of the voltage Ans: ( a ) 10.In 3-Φ system total power is given by a. √3VLILcos Φ b. 3VLILcos Φ c. VLILcos Φ Ans: ( a ) 11.From supply one 3-Φ step-down transformer is drawing 10 A, the secondary current will be minimum when the transformer is a. star-delta b. delta-star c. delta-delta d. star-star Ans: ( b ) 12.Transformer rating is expressed in a. KVA b. KVAR c. KW Ans: ( a ) 13.Manganin is a a. Insulator b. Semi-conductor c. Alloy 14.Dual scope oscilloscope has a. two separate horizontal and two separate vertical plates b. one horizontal and two separate vertical plates c. two separate horizontal and one vertical plates d. one horizontal and one vertical plates 15.Standard Cell voltage is measured by a. MI meter b. MC meter c. Potentiometer 16.The input resistance of the CRO is of the order of a. tens of ohm b. mega ohm c. kilo ohm d. fraction of an ohm Ans: ( b ) 17.Errors are introduced in Wheatstone bridge due to a. lead resistance b. contact resistance c. some thing is given d. all of the above 18.HRC fuse and circuit-breaker combination is used CB operates for a. low over-load currents b. high over-load currents c. combination is never used 19.G(s) = K / s(s+5)(s+1) is given to find the value of K for stable operation 20.By increasing gain of the system root locus will a. moves away from poles b. moves away from zeros c. crosses imaginary axis Ans: ( a ) 21.When the load current is high while measuring power using wattmeter a. current coil is connected near load b. pressure coil is connected near load 22.C = 0.01µF and L = 1 mH and current is 10 A and asked to find the voltage drop 23.Transmission line is terminated by R and no reflection is there , then the value of R is _________ Ans: 400 ohm 24.One question regarding shunt ohm-meter and seriea ohm-meter 25.Inverted V curves are drawn between ________ Ans: field current Vs power factor |