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On what factors does the current carrying capacity of a fuse depend? I) Size of fuse wire II) Fuse material III) Surrounding of the fuse Choose the correct answer from the options given below.
Which of the following statements is/are correct? 1. A fuse wire is made of 37% lead and 63% tin 2. A fuse wire is made of 63% lead and 37% tin 3. A fuse wire has high resistance and low melting point 4. A fuse wire has low resistance and high melting point
Which of the following/s is not a property of fuse  1) The conductivity of the fuse wire must be high 2) The melting point of the fuse is high 3) It is a protective equipment 4) It can be made up of an alloy of lead & tin
Which of the following statement(s) is/are TRUE? I. Fuse is generally placed in series with the device. II. Fuse is generally placed in parallel with the device. III. Fuse wire has a high melting point.
The question below is followed by three statements I, II and III. You have to determine whether the data given is sufficient for answering the question. You should use the data and your knowledge of mathematics to choose the best possible answer. How many runs Sachin scored against Kashmir? I. The difference between his score against Mumbai and against Delhi is equal to the difference between the score against Delhi and against Kashmir. II. The average run he scored against all three states Delhi, Kashmir and Mumbai is 100. III. He scored 25 runs more against Mumbai than Kashmir.
A laboratory group was working with a set of 3-hp shunt DC motor. But there was a mistake that it was fused with a 0.3A fuse instead 3A fuse. Then it was started _________
Which BIS symbol does represent the main fuse board without switches (Lighting circuit fuse board)?
A 120 V lamp-dimming circuit is controlled by a rheostat and protected from excessive current by a 3 A fuse. To what minimum resistance value can the rheostat be set without blowing the fuse? Assume a lamp resistance of 20 ohms.
Consider the following statements: In the above figure, the curves pertain to the DC motor A. Speed vs Armature current characteristic of a DC shunt motor B. Torque vs Armature current characteristic of a DC shunt motor C. Speed vs Armature current characteristic of a DC series motor D. Torque vs Armature current characteristic of a DC series motor
In case of synchronous motor, which of the following are true? a. Synchronous motor is not self-starting b. If the rotor poles are excited by field current and the stator terminals are connected to AC supply, motor vibrates. c. Variable frequency supply is used to start synchronous motor. d. By using frequency converter, a synchronous motor can be brought from standstill to its desired speed.