A motor hoists a 50-kg crate at constant speed to a height of h = 6 m in 3 s. If the indicated power of the motor is 4 kw, determine the motor's efficiency.

1. 

14-07

A motor hoists a 50-kg crate at constant speed to a height of h = 6 m in 3 s. If the indicated power of the motor is 4 kw, determine the motor's efficiency.
[A]. e = 0.025 (2.5%)
[B]. e = 0.245 (24.5%)
[C]. e = 0.736 (73.6%)
[D]. e = 0.05 (5.0%)

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

Workspace Report
Leave a Comment

Mechanical Engineering :: Engineering Mechanics Questions & Answers : More Exercises

Questions & Answers

Aptitude Chemical Engineering Civil Engineering Computer Science & Engineering Current Affairs Data Interpretation Electrical & Electronics Engineering Electronics & Communication Engineering General Knowledge Logical Reasoning Mechanical Engineering Non Verbal Reasoning Verbal Ability Verbal Reasoning

Interviews

HR Interview

Jobs

Sarkari Jobs

Results

Rojgar ResultSarkari Result

Admission

Admission 2023

Admit Card

Admit Card 2023

Answer Key

Answer Key 2023