Related Questions

Which one of the following is not necessarily the advantage of D.C. motors over A.C. motors?
A Low cost
B Wide speed range
C Stability
D High starting torque
The cost of producing rice in country Q is 10 percent less than the cost of producing rice in country Y. Even after transportation fees and tariff charges are added. it is still cheaper for a company to import rice form country Q to country Y than to produce rice in country Y? The statements above , if true , best support which of the following assertions?
A Labor costs in country Q are 10 percent below those in country Y .
B Importing rice from country Q to country Y is less than 10 percent of the cost of manufacturing rice in country Q .
C The fee for transporting rice from country Q to country Y is more than 10 percent of the cost of manufacturing rice in country Q .
D It takes 10 percent less time to manufacture rice in country Q than it does in country Y.
The cost of producing Garment in Country Q is ten percent less than the cost of producing Garment in Country Y, Even after transportation fees and tariff charges are added,it is still cheaper for a company to import Garment from Country Q to Country Y than to produce Garment in Country Y". The statement above, if true, best support which of the following assertions?
A Importing Garment from Country Q to Country Y will eliminate ten percent of new manufacturing jobs in Country Y.
B The tariff on a Garment imported from Country Q to Country Y is less than ten percent of the cost of manufacturing the Garment in Country Y.
C The fee for transporting Garment from Country Q to Country Y is more than ten percent of the cost of manufacturing the Garment in Country Q.
D It takes ten percent less time to manufacture a Garment at Country Q than it dos in Country Y.
What is the country of origin of the brand "Coca Cola" ?
A UK
B Japan
C Canada
D USA
Name the country of origin for the brand name "NOKIA"
A Hungary
B GMG
C Sony
D Nokia
Which of the following rivers flowing through Pakistan has its source of origin in that country itself?
A Ravi
B Jhelum
C Chenab
D None of these
Starters are used with D.C. motors because
A These motors have high starting torque
B These motors are not self-starting
C Back e.m.f. of these motors is zero initially
D To restrict armature current as there is no back e.m.f. while starting
In case of D.C. shunt motors the speed is dependent on back e.m.f. only because
A Back e.m.f. is equal to armature drop
B Armature drop is negligible
C Flux is proportional to armature current
D Flux is practically constant in D.C. shunt motors
A direct on line starter is used: for starting motors
A Up to 5 H.P.
B Up to 10 H.P.
C Up to 15 H.P.
D Up to 20 H.P.
In which of the following motors the stator and rotor magnetic field rotate at the same speed ?
A Universal motor
B Synchronous motor
C Induction motor
D Reluctance motor

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