Is the most common dryer used which consist of rotating cylinder inside which the materials flow while getting in contact with hot gas.

Is the ratio of the mass of water-vapor in air and the mass of air if it is saturated is called:

The hands feel painfully cold when the skin temperature reaches

The refrigerant used in steam jet cooling is:

The total heat of the air is a function of

Boiling point of Freon-12 at atmospheric pressure is:

Which of the following is NOT a type of water cooled condenser in refrigeration?

Cascade refrigeration cycle is often used in industrial process where objects must be cooled to temperature below:

Type of refrigerant control designed to maintain a pressure difference while the compressor is operating.

As a rule of thumb, for a specified amount of compressed air, the power consumption of the compressor decreases by ______________ for each 3 deg C drop in the temperature inlet air to the compressor.

Modern way of detecting air compressor leak is by using

For foundation of stacks, the maximum pressure on the soil is equal to the pressure due to the weight and the ___________.

Foundation bolts of specified size should be used and surrounded by a pipe sleeve with an inside diameter of at least

For multi stage compression of an ideal Brayton cycle, the back ratio will

Type of turbine that has a specific speed below 5.

A high discharge type of turbine

Use to minimize the speed rise due to a sudden load rejection

Is the speed of a turbine when the head on the turbine is one meter

Is a fluid property which refers to the intermolecular attraction by which the separate particles of the fluid arc held together.

Which of the following is NOT the cause of black smoke in diesel engine?

Component of absorption refrigeration system in which the solution is cooled by cooling water.

Which of the following is not a method of starting a diesel engine?

Two-stroke engine performs ________ to complete one cycle.

A type of geothermal plant used when there is a presence of brine extracted from underground

Is the most important safety device on the power boiler.

During hydrostatic test, the safety valves should be

Where deaerating heaters are not employed, it is recommended that the temperature of the feed water be not less than ______

Is a reaction during which chemical energy is released in the form of heat.

By reheating the steam in an ideal Ranking cycle the heat rejected will.

By increasing the boiler pressure in Rankine cycle the moisture content at boiler exit will.

Presently the highest steam temperature allowed at the turbine inlet is about ______.

Two most common gases employed in Stirling and Ericsson cycles are.

In most common design of gas turbine, the pressure ratio ranges from

In brayton cycle, the heat is transformed during what process?

The fuel injection process in diesel engine starts when the piston ______

If the cut-off ratio of diesel cycle increases, the cycle efficiency will

The fuel used in a power plant that is used during peak periods.

Typical compression ratio of Otto cycle is

If Joule Thomson coefficient is equal to zero, then the process will become

If the fluid passed through a nozzle its entropy will:

Refrigerant consisting of mixtures of two or more different chemical compounds, often used individuals as refrigerant for other applications.

Pairs of mating stop valves that allow sections of a system to be joined before opening these valves or separated after closing them

An enclosed passageway that limits travel to a single path.

For immediate dangerous to life or health (IDHL), the maximum concentration from which unprotected persons are able to escape within _____ without escape-impairing symptoms or irreversible health.

The volume as determined from internal dimensions of the container with no allowance for the volume of internal parts.

A waiting room or large hallway serving as a waiting room

A continuous and unobstructed path of travel from any point in a building or structure to a public way

Any device or portion of the equipment used to increase refrigerant pressure

The quantity of refrigerant stored at some point is the refrigeration system for operational, service, or standby purposes.

Secondary refrigerant is a liquid used for the transmission of heat, without a change of state, and having no flash point or a flash point above ______ as determined from ASTM

A service valve for dual pressure-relief devices that allows using one device while isolating the other from the system, maintaining one valve in operation at all times.

Tubing that is unenclosed and therefore exposed to crushing, abrasion, puncture, or similar damage after installation.

Refers to blends comprising multiple components of different volatile that, when used in refrigeration cycles, change volumetric composition and saturation temperature as they evaporate (boil) or condense at constant pressure.

Is a premises or that of a premise from which, because they are disabled, debilitated, or confined, occupants cannot readily leave without the assistance of others

Is one in which a secondary coolant is in direct contact with the air or other substance to be cooled or heated.

Refrigerant number R-744 is

Refrigerant number R-1150 is

Refrigerant R-40 is

When the air duct system serves several enclosed spaces, the permissible quantity of refrigerant in the system shall not exceed the amount determined by using the total volume of those spaces in which the airflow cannot be reduced to less than ____ of its maximum when the fan is operating

The space above a suspended ceiling shall not be included in calculating the permissible quantity of refrigerant in the system unless such space is continuous and is part of the air return system

Which of the following is not a possible location of service valve?

A coil in series with evaporator that is use to prevent the liquid refrigerant entering the compressor

A type of valve connected from discharge of compressor directly to suction that is normally closed and will open automatically only if there is high discharge pressure

Use to increase the capacity of condenser

Is use to subcooled the refrigerant from the condenser

Which of the following is NOT a part of low pressure side in refrigeration system?

Which of the following is NOT a part of high pressure side in refrigeration system?