Multiple Choice
The characteristics of drive for crane hoisting and lowering are which off the following?
A) Precise control
B) Smooth movement
C) Fast speed control
D) All of the above
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q7: For crane travel which off the following
Q8: The range of ratings of electric motor
Q9: The pair used for frequency converter is<br>A)Squirrel
Q10: Sleeve bearings<br>A)Are normally of bronze<br>B)Have self lubricating
Q11: The motor enclosure used for industrial purposes
Q13: The size of an excavator is usually
Q14: Which of the following motors is preferred
Q15: The motor enclosure used in wood-working industry
Q16: For very high speed ratio the indispensable
Q17: For medium duty cranes the short time