GATE EE 1998 | D.C Machines Question 59 | Electrical Machines

GATE EE 1998

MCQ (Single Correct Answer)

-0.6

A 240 V d.c. shunt motor with an armature resistance of 0.5 $$\Omega$$ has a full load current of 40 A. Find the ratio of the stalling torque to the full load torque when a resistance of 1 $$\Omega$$ is connected in series with the armature?

None of the above

GATE EE 1998

MCQ (Single Correct Answer)

-0.6

Match the following

List-I (Test)
(A) No load and blocked rotor test
(B) Sumpner’s test
(C) Swinburn’s test

List-II (Machine)
(1) Transformer
(2) Induction machine
(3) Synchronous machine
(4) DC machine

$$\begin{array}{l}A\;\;\;B\;\;\;C\\2\;\;\;\;1\;\;\;\;4\end{array}$$

$$\begin{array}{l}A\;\;\;B\;\;\;C\\1\;\;\;\;2\;\;\;\;4\end{array}$$

$$\begin{array}{l}A\;\;\;B\;\;\;C\\4\;\;\;\;3\;\;\;\;1\end{array}$$

$$\begin{array}{l}A\;\;\;B\;\;\;C\\4\;\;\;\;1\;\;\;\;3\end{array}$$

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