How is chemical energy used in a television

Refrigerant 134a is compressed with no heat transfer in a piston-cylinder assembly from 30 lbf/in. 2, 20F to 160 lbf/in. 2 The mass of refrigerant is 0.04 lb. For the refrigerant as the system, W 0.56 Btu.

While discussing armature testing: Technician A says to test for shorts, place the ohmmeter leads on a commutator segment and armature shaft. Technician B says that continuity should exist between the commutator and the armature shaft.

Technician A says that load-carrying ball joints should always have some play in them. Technician B says that follower ball joints should never have some play in them. Who is correct? a. Technician A b. Technician B c. Both A and B d.

Water from the Earth's surface turns into a gas, or water vapor, when it is warmed and rises into the atmosphere. What is this process called? Select one: A. evaporation B. respiration C. transpiration D. condensation

The purifier is a device in a) - The air separation plant b) - steam power plant c) - - fuel cell d) - refrigerator

Fuel cells have been proposed for use in cars and for power generation as part of a hydrogen economy. They offer the advantages of higher efficiency and cleaner fuel with insignificant pollutants.

Technician A says that clutch slippage can be a result of excessively strong pressure plate spring (s). Technician B says that when replacing the friction disc, it is good practice to also replace the pressure plate. Who is correct?

What types of documents are NOT acceptable to share on Course Hero? Select all that apply.

Which of the following statements regarding the dermis is FALSE? The dermis contains a large amount of fat tissue. The dermis is composed of fibrous connective tissue. The dermis is also called the corium. The dermis houses sensory receptors.

Let r be a bank's interest rate in percent per year (APR). An initial amount of money P, also called as principal, will mature to an amount of P (1+r/100) ^n after n years have passed.