Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Engineering Interview Questions

Questions Answers Views Company eMail

Yokogawa mass flow meter shows negative reading...what r the main causes for this problem?...

3 10126

1.0 what is the permissible westage of steel in structural steel fabrication say gantry , trustle of power plant unit 2.0 what is the permissible westage of cement in construction work as above

PMC,

3 4599

1.Z transform always lies around ? a) origin b) pole c) zero d) z=1. Multiples Mcqs which is bother me can’t find answers on internet. Some help required with little explanation . Note: this is not homework or related to any test. Thanks

CCP,

2477

Which motor has high Staring current A. Series DC motor, B.Induction motor c.Synchronous motor D.DC Shunt Motor

CCP,

4 4795

Megar test tell sufficient resistant

1 3285

Why r u using pf panel. what the uses

Standard Chartered,

2018

What is the use of the governor on diesel generator

GLA University, Standard Chartered,

5 6513

How we can find the pressure of valve by knowing its class ?

1 3273

What is vertical dpc and where it is construct?

Kanwarji Construction,

1 4251

Why the finite element method is lower bound solution?

1 2996

When we run the report j1ifr ( pending 4(5)a challan )this report can we convert in excel sheet.

Carraro,

2035

How can I get know that my pc contains dram or sram..?

1933

What is a difference between indoor transformer and outdoor transformer of same rating

Suzlon,

5843

my project load is 6 MW so please suggest the size of cable.. ALU 3c 400 aqmm cable can be sufficient.. is there any thumb rule for calculation of cable size please help me

1 2499

design mix for M15,M20, M25,M30 please

CIDC, Design Ideas,

2 4535

Un-Answered Questions { Engineering }

What is instrumentation control?

1172

Explain to find resistivity?

1045

Explain types of valves?

1067

What is a profit sharing plan?

1060

1- XC and the RC time constant are both measures of the reaction of C to a change in ____? 2-The power factor is a numerical ratio with a value between 0 and 1 equal to the ______________ of the phase angle. 3-When V and I are out of phase because of reactance, the product of V times I is called ______________ power 4-For _____________ inductors, the branch currents can be added algebraically. 5- The ______________ power in watts can be calculated as I^2R 6-Calculate XL with L = 30mH and f = 1kHz ( I have Xl=2piFL 2*3.141592653*1kHz*30mH =188 ohms Please check) 7-A parallel RL circuit has the values, R = 5kohms, XL = 5kohms. A voltage source of Vt = 10Vrms is connected in parallel to R and L. Determine the total current, It delivered by the voltage source Vt. 8-A series RC circuit has R = 1Mohm and C = 1microF. How long would it take for the capacitor to fully discharge if it is initially fully charged? 9-A circuit has real power = 300W and an apparent power of 500VA. Determine the power factor and phase angle. 10-The time constant for an LR series circuit is T = 0.1s and R = 10ohms. Calculate the inductance L.

3394

how pwm signals generated????

2132

what will happen reduce the transformer voltage from 415v to 406v, is it save the energy,? are this methodis good to reduce the energy.?

1531

What are the advantages of single phase bridge converter over single phase mid-point converter?

1689

what is the IS foe lightning arrester?

2178

What is residual stress?

948

Tell us what is souring?

is the toogle case and race around condition equal?

2005

Why plc require in analog input 4-20amp & 0-10 volt?

1163

I am doing 3rd year mechanical engineering. I want to place in good mechanical engineering core company. So please guide me how to prepare for interviews, and what can i do for placed in good company?

1934

Tell me why 440 volts instead of 660 volts in 3 phases of supply system?

974

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