Which is the component not in hydro electric steering geara.fuseb.over load alarmc.overload tripd.power failure alarm

Advantages of auto transformers. Disadvantage of ward leonard system. Regarding battery roomm safeties all questions with 6 options

Some numerical with electrons and protons..given some radius... and askd somting... sombody told answer is 1..and that too hav to answer with 2 decimal places... really cruel written.. screwd royally

Mcq electrical wit 6 options... advantages of scr over ward leonard( i dont really remember options)1.cost less2.space less3.better operating range4.better operation at low load5.maintenance free6.* i dont remember d option( the question was manditory.. the disadvantage of ward leonard was also a manditory question with option reverse of this)

A 20 m wire carrying a current of 10 Amps magnetic field of 0.3 T with an angle of 40 degrees with vector B. Find the magnitude of force?

A 40 cm wire carrying a current of 20 amps is placed in a uniform magnetic field of 0.6 T. The wire makes an angle of 300 with the magnetic field. Calculate the magnitude of the force on the wire.

Earth faults of the. Earth fault current insulation is neutral Two faults in 2 wiresOne fault in one wire 2 fault in 1 wire Non of the above

An insulation resistance reading is taken at 20'C found to be 10 megaohm. What should be the expected reading at 40'C

Which of the following are TRUE with regards to Thermistors?

A. Thermistors are semi-conductor devices.

B. In a Positive Temperature Coefficient (PTC) Thermistor, the resistance increases with increase in temperature.

C. Negative Temperature Coefficient (NTC) Thermistors can be used as replacement for fuses.

D. Positive Temperature Coefficient (PTC) thermistors can be used as resistance thermometers in low temperature environments.

E. NTC Thermistors are generally used for monitoring coolant and engine oil temperature in automobiles

3 phase terminal one terminal contact with hull insulation is neutral

Short circuitEarth r grounded,,,,,,,,,,,,,,none of the above

NPN diode collector base baiseda. +ve, -veb. -ve, +vec. -ve, -ved. +ve, +ve

(becos between collecter n base is given controlling voltage By connecting in reverse bias it controls reverse voltage)

Which of the following is/are true about regulation concerning Shipboard storage batteries?

A. Construction should always be so as to prevent emission of spray.

B. If voltage is above 220 V, Insulation stands must be used.

C. The deck below the cells should be protected with acid resisting or alkaline resisting material.

D. Battery banks above 2 KW should be kept in the battery room only.

E. Emergency batteries should never be stored in the battery room.

To prevent the race of a dc series motor what arrangement should make?A.allways start at heavy load.B.use a strong series-weak shunt compound dc motor.C.use a weak series- strong shunt compound dc motor.D. All of the above