📝 [MESL] QB 0519 | Mastery Exam 27 – Elements

It is defined as the motion of a rigid body in which a straight line passing through anything of its particle always remains parallel to its initial position.

Foaming is caused by:

Priming is caused by:

High alkaline water in boiler causes:

A thermodynamic system which undergoes a cyclic process during a positive amount of work is done by the system.

Amount of heat needed to raise the temperature of 1 pound of that substance one degree Fahrenheit is:

The study of the condition of air and moisture in the atmosphere.

The gage used to measure 0.001 to 1 atmospheric pressure.

Water in an open glass at room temperature is:

Which of the process where work is zero?

In an internal combustion engine, the stroke that discharges gas inside the engine cylinder.

An adiabatic process with no work done is:

In a system, the sum of internal energy and the product of pressure and volume is _____.

Dew point is which of the following:

Force on a submerged area.

Hydraulic power is expressed whp in English Units. In SI it is expressed in _____.

One English hp is 746 Watts. In SI, one metric hp is _____.

One mechanical hp is equivalent to _____.

One mm of HG is equivalent to:

Which of the following does not belong to the group?

What is the color of steam pipe?

Color for water pipes.

An increase in heat enthalpy of a substance when it undergoes a change of phase at constant pressure and temperature.

The ideal reversible Carnot Cycle involves for basic processes. They are _____.

The origin of the energy conservation equation used in flow system.

Coefficient of friction for dry surfaces _____.

For an existing boiler installation, the lowest factor of safety permissible shall be

Ratio between the average load and total available capacity.

Ratio between the average load and the peak load.

Ratio between the actual demanded load to the connected load.

The new Mechanical Engineering Law which was signed last February 12, 1998 is known as _____.

Under the provisions of the PSME Code 1993, what is the color symbol for air piping?

Which of the following is the basis for Bernoulli’s law for fluid flow?

Which of the following is not a unit of work?

What condition exists in an adiabatic throttling process?

Specific gravity of a substance is the ratio of its density to the density of _____.

Instrument used in determining specific gravity of any substance.

The weight of the column of air above the earth surface.

Gas being heated at constant volume is undergoing the process of _____.

A process that has no heat transfer.

Heat normally flowing from a high temperature body to a low temperature body wherein it is impossible to convert heat without other effects is _____.

Form of energy associated with kinetic energy of the random motion of large number of molecules.

At what temperatures are the two temperatures scales, degrees Celsius and Fahrenheit equal?

Second law of thermodynamics states that _____.

Turbojet engine thrust is produced by _____.

A process in which water vapor is added to the air stream by adiabatic evaporation.

Each miniature boiler shall be provided with a blow off connection not less than 12.7 mm iron size in direct connection with the _____.

Where ground water or surface water are used for feed water, water hardness of 0 – 10 ppm shall be considered and alkalinity of _____.

The ratio of the weight of the water vapor mixed with a kg of dry air to the weight of saturated vapor at the same temperature mixed with a kg of dry air.

If the initial volume of saturated steam is expanded isothermally to twice the initial volume, the pressure