Engineering Interview Questions
Questions Answers Views Company eMail

Draw SLD feeding from the SS up to distribution board of the load, calculate cable size, breaker sizes, and meter for the following case: Ground Floor: electric room, pump room, 5 shops, each is 15 KW First Floor: 5 shops, each is 15 KW Second Floor: showroom 30 KW Service Loads: water pump 3 KW (3ph) , fire pump 3 KW (3ph), and one DB service 12 KW (3ph).

FEWA, HMK,

1409

Draw an S.L.D of the main panel for a hospital, showing meter position. Essential loads are: 1) Equipment load 100 KW 2) Critical load 500 KW 3) Life AID Safety load 400 KW 4) NON-Essential load 200 KW 5) Other service loads 200 KW Calculate and suggest the size of the transformer, size of main cable, capacitor bank, and calculate the capacity of an emergency load having above first three mentioned loads is supplied by an emergency generator.

FEWA, HMK,

1215

what are the disadvantages of low power factor

HMK,

857

how can we Increase the Value Of Frequency in electric circuits

HMK,

903

Give accurate definitions for these electric terms: Inductor Inductance Inductive Induction Reactance Reactive Esam Baraka ٢١ ساعة

HMK,

910

how to calculate short circuit current for the busbar

HMK,

942

Which Signal hart communicator work? If there any signal change when hart connect while transmitter in line ?

KOC,

921

What is the difference in painting using Roller and Brush? What is the paint consumption difference? As per IS one coat of painting is painting from left to right and top to bottom whether this can be done using roller ( Roller Stick height and feasibility) ?

NPCIL,

997

Why 4-20 amps is being used in instruments? Why cant we use any other range instead of 4-20 amps? Why only 4 amps is taken as lower limit and why 20 amps is taken as the higher limit?

1045

What is main purpose of chock coil and starter in florescent tube ?

1 1398

What is difference between radial vibration and axial vibration explain in detail .

Emerson,

1157

What is sensitivity in vibration probes..?

Lanco,

1027

If a dimension is given as SC parameter, is supplier allowed to use full range of tolerance specified in drawing without proving capability?

1169

What is the comparison between 30mA DP RCCB and 100mA DP RCCB and can replace it against 63A MCB

1105

how to calculate the weight of concrete

1017


Un-Answered Questions { Engineering }

why do motors burn out? I understand why adding parallel loads to a power source means more current moves through the circuit, and can destroy circuit elements by overheating. What about when you have a vaccuum cleaner intake flush against a floor, a room fan sitting directly against a wall, or a power drill trying to drill through something too hard?

1581


undistributed samples are obtained by

1976


Which type of memory which is fast and temporarily stores the data which are immediately required for use?

625


usually hand broken stones are used for cement concrete 1:4:8 in foundation of single /two story houses with a view of economy in construction.what advantages it will give if you use machine crushed stone in place?

1677


What is the ratio of majority and minority carriers in intrinsic and extrinsic semiconductors?

613






Explain how many mosfet switches are there in dynamic ram?

556


What is the composition of Cast Iron Grade:GG P70 ?

3680


What is iiucr in relation to petrol engine ?

811


Calculate the line size for a cooling water line with a volumetric flowrate of 1200m3/h of water. Density of water = 1000kg/m3

1517


What are the applications of autotransformers?

631


what is the process to make control schematic ?

1722


Define input offset current.

622


solar inverters was not connected to the nuteral link .this nutwral possible to any other systems

1331


In C language,What is the use of f in printf or scanf statement? Whether it indicates the function if so the brief explanation ortherwise what is the main reason behind that f in printf/scanf statements?

1564


What is inductor?

921