Maintenance of tools and machine

A 1000-turn coil of wire 1.0 cm in diameter is in a magnetic field that increases from 0.10 T to 0.30 T in 10 ms. The axis of the coil is parallel to the field. What is the emf of the coil

A window air conditioner unit is placed on a laboratory bench and tested in cooling mode using 750 W of electric power with a COP of 1.75. What is the cooling power capacity and what is the net effect on the laboratory?

If 100 J of heat is added to a system so that the final temperature of the system is 400 K, what is the change in entropy of the system? a) - 0.25 J/K b) - 2.5 J/K c) - 1 J/K d) - 4 J/K

What is the name for the chemical process through which hydraulic cement mortars cure and harden?

This search compares the target value with the middle element in the collection, then ignores the half of the collection in which the target cannot exist a) Linear b) Exponential c) Interpolation d) Binary

The pressure and temperature at the beginning of compression of an air-standard Diesel cycle are95 kPa and 300 K, respectively. At the end of the heat addition, the pressure is 7.2 MPa and thetemperature is 2150 K.

Explain two Types of bearing?

7 Single-use earplugs require a professional fitting before they can be used. A True B) False

Electric power is to be generated by installing a hydraulic turbine-generator at a site 138 m below the free surface of a large water reservoir that can supply water at a rate of 2400 kg/s steadily. Determine the power generation potential.

When the French horn plays with brass instruments, then it is played very softly to match the texture. True/False