Register Now

Username*

E-Mail*

Password*

Confirm Password*

First Name*

Last Name*

Display name

Profile Picture

Browse

Country

City*

Phone*

Gender* Male

Female

Other

Age

Terms* By registering, you agree to the Terms of Service and Privacy Policy.

Lost Password

Lost your password? Please enter your email address. You will receive a link and will create a new password via email.

Add question

You must login to ask a question.

Login

Register Now

Do you want access to Free Educational Content offered by Loyal Academy? Sign up today to read and also ask questions.

An electric hoist is required to lift a load of 2 tonnes to a height of 30m. The cage has a mass of 0.25 tonnes and the lifting operation is timed to be completed in 1.5 minutes. If the 220V motor is metered to take a current of 50A, find the efficiency of the installations.

Home/ College/An electric hoist is required to lift a load of 2 tonnes to a height of 30m. The cage has a mass of 0.25 tonnes and the lifting operation is timed to be completed in 1.5 minutes. If the 220V motor is metered to take a current of 50A, find the efficiency of the installations.