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Engineering Interview Questions
Questions Answers Views Company eMail

what is hardness range of IS 2062 grade casting?

3 13026

Wy the VLF are used for some types of services?

1 3524

What is the most common modulation system is used for telegraphy?

AIR, BSNL, HCL,

6 19116

Which frequencies can't be used reliable beyond the horizon terrestrial communication without repeaters?

2950

What are the 3 types of transmission line energy losses?

TCS,

3 9161

what is self capacitance of inductor

Bhel,

2425

How much no load current of synchronous motor

Nirma, Sulphur Mills,

2097

what is meant by slip & where its occur ?

Lanco,

5 9513

I need bhel previous year quetion papers for electrical engineering department.I searched but i could not find out

2083

If 11 KV breaker on the primary side of a 11 KV/3.3 KV 12.5 MVA transformer can be installed at a distance of 1000 mtrs through a 11 KV cable. If no what are the probable reasons.

1 4312

What is the difference between operator overloading and function overloading in C when compared with C++?

1842

Why under frequency protection is needed for a generetor?

2 20214

What are the protections required to protect turbine?

3 10244

What is G U T protection?

2197

what is the formula for calculating the phase clerance between two phases and phase to earth how to calculate the cable for a motor

2021


Un-Answered Questions { Engineering }

How to calculate LT XLPE CABLE for 11 kv / 433 v , 1000 kva oil type transformer system?

1919


aternator every parts and its working

1625


What is the meaning of loop in transformer

1794


What is the name given to ratio of actual cycle efficiency and ideal cycle efficiency?

1134


what is difference between xdm-50/100/300/500/1000/2000 & all bg-20/40/30 in eci mux.

3075


does RS-485 cables come with armour?

2026


how do you calculate the length of "L" of main & distribution bar for reinforcing of raft footing

2317


2. Dry saturated steam at 3.5 bar is expanded through a convergent nozzle to 2.2 bar. The exit area is 5 sq. cm. Calculate the exit velocity and mass flow rate, assuming isentropic expansion and super saturated flow. b) A cast iron cylinder head is fastened to a cylinder of 750mm bore with 12 stud bolts. The maximum pressure inside the cylinder is 3 Mpa. The stiffness of part is thrice the stiffness of the bolt. What should be the initial tightening load so that the point is leak proof at maximum pressure? Also choose a suitable bolt for the above application 2 The propeller shaft of a marine engine is to transmit 600 kW at 1200 rpm, without a significant bending. The efficiency of the propeller is 88% at 32 knots ( 1 knot = 1085 km/hr). If the slenderness ratio is less than 50 and the permissible shear stress should not exceed 65 Mpa. Determine the diameter of shaft. 3 A semi-elliptic leaf spring consists of two extra full-length leaves and six graduated length leaves, including the master leaf. Each leaf is 7.2 mm thick and 65 mm wide. The centre-to-centre distance between the two eyes is 1.3m. The leaves are pre-stressed in such a way that when the load is maximum, stress induced in all leaves are equal to 380 N/mm sq. Determine the maximum force that the spring can withstand

2250


What are wooden shingles?

1233


In the present situation of ban on mining sand from rivers,can we go for formation of earth dam filters viz;Horizantal sand blanket,inclined chimney and filters under rivetment with crushed rock sand of 6mm down size.If so what are the specifications and is there any codal provision for its authentication?

1970


Draw the circuit diagram of 1φ capacitor commutated current source inverter and explain its operation with equivalent circuits for different modes and necessary wave forms?

1158


what are the advantages disadvantages of connecting high voltage block( 1:1 transformers) transformers between the turbo generators and busbars.

2103


In the N-series schneider reclosers. What is the difference between current during fault time and current at tripping? This appears in the Event log in an event of a trip out.

1865


features of hbc fuses

2421


Which is the first communication satellite of the world?

878