Armature cores are commonly made of
In d.c. generator, which loss varies with the load?
What is the formula for area of the semi circle?
Which formula is suitable for the area of a circle, whose diameter is (d)?
For parallel operation the D.C. generators normally preferred are
Which type of relay is used in both A.C and D.C supply?
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What is the length of arc of a sector, whose perimeter is 64.8cm and radius is 12.4 cm?
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The armature core of a D.C. generator is usually made of
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What is the formula for circumference of a circle?
In over compounded generator, full load terminal voltage is
A person who is associated with the starting of business is called
Lap winding has parallel paths.
______ earthing is the best form of earthing and is very cheap in cost?
Which of the following is/are methods of earthing?
Magnetic field in a D.C. generator is produced by
What is the name called biggest chord of the circle?
How interpoles are connected in a DC generator?
D.C. generator generally preferred for charging automobile batteries is
A shunt generator running at 1000 r.p.m. has generated e.m.f. as 200 V. If the speed increases to 1200 r.p.m., the generated e.m.f. will be nearly
As compared to small scale business, large scale business require
What is the area of the circle, if the circumference of the circle is 44cm?
The armature of d.c. generator is laminated to
The insulating material used between the commutator segments is normally
. D.C. series generator is used
What is the area of the sector, if the diameter is 12 cm and the angle is 60°?
. The overall efficiency of a d.c. generator lies in the range of:
For medium manufacturing enterprises, the investment in plant and machinery lies between
In “SWOT” analysis, “S” stands for
D. C. generator preferred for charging automobiles batteries is
The function of pole shoes in the case of D.C. machine is
Brushes of D.C. machines are made of
In d.c. generators, lap winding is used for
Paid form of ideas, goods and services are called
What is the formula for area of the segment of a circle?
Entrepreneurship is also termed as…
What is the formula for area of the circle?
In which type of d.c. machine-poles is residual magnetism necessary ?
In an electric heater, the metal case is connected to__.
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While applying Fleming’s right-hand rule to And the direction of induced e.m.f., the thumb points towards
In SWOT analysis which pair is helpful?
What is the length of arc of the sector whose radius is 15 cm and the intended angle is 30°?
Money invested in purchasing of raw materials, payment of wages and salaries, rental, electricity etc. comes under
In an economic growth, role of entrepreneur is to
