MESL ELEMENTS 5

MESL ELEMENTS 5. ES MECHANICAL ENGINEERING REVIEW.

The chemical most commonly used to speed sedimentation of sewage is Lime Copper sulfate Sulfuric acid Mebylene blue.

Most of the bacteria in sewage are Saprophytic Dangerous Parasitic Pathogenic.

One of the two types of non – material nuclear radiation is: Gamma radiation Transmutation radiation Walton radiation Betatron radiation.

If you wished the temperature distribution within a room to be as even as possible, would you blow hot air into the room near the: Floor Ceilings Walls Door.

Which is not a qualification for an applicant for ME Board Examination? Certified plant mechanic At least 18 years of age A holder of BSME degree A citizen of the Philippines.

The maximum power rating of mechanical works or plant that can tended or operated by a Certified Plant Mechanic is 37.3 KW 298.4 KW 223.8 KW 111.9 KW.

The most important factor in determining high temperature behavior of an alloy is: Dispersion Ionization Crystallization Composition.

With regards to corrosion of metals, passivation is the process that: Inhibits further deterioration Changes metal composition Intensifies deterioration Alters the grain size of the metal.

At relatively high temperature and low rates of strains, structures will perform better if their material is: Coarsed grain Fine grained Behavior is independent of grain None of the above.

Intermittent sand filters are primarily used to: Oxidized putrescible matter Remove solids from sewage Supply lemons to farmers Neutralize sludge.

The gas from sludge digestion large is mainly composed of: Nitrogen Methane Carbon dioxide Oxygen.

Quantity of chlorine in parts per million required to satisfactorily chlorinate sewage is usually: 125 – 150 85 – 90 0 – 25 30 – 60.

Ratio of oxygen available to the oxygen required for stabilization of sewage is called: Concentration factor Relative stability Oxygen – ion concentration Bacterial stability factor.

In the design of grit chambers Maximum velocity of flow is 1 foot per second Temperature is an important factor Baffles are essential Detention period should be at least 30 minutes.

The greatest unit pressure the soil can continuously withstand Bearing strength Yield point Ultimate strength Point of rupture.

An equation in which a variable appears under the radical sign Irrational equation Radical equation Irradical equation Literal equation.

The logarithm of 1 to any base is: Infinity Indeterminate Zero One.

All circles having the same center but with unequal radii are called: Concentric circles Encircles Concylic Tangent circles.

A plane closed curve, all points of which are the same distance from a point within called the center is Arc Circle Radius Chord.

A statement of equality between two ratios: Power factor Evaluation Proportion Theorem.

A polygon with fifteen sides: Nonagon Decagon Pentedecagon Dodecagon.

The first derivative of Kinetic energy with respect to time Force Momentum Work Power.

The point where the second derivative of function is equal to zero Inflection point Minima Point of intersection Maxima.

Linear momentum is a product of mass and velocity and this can be expressed also as a function of: Force, time Force, velocity Force, displacement Force, acceleration.

The name of a vector representing the sum of two vectors Tangent Resultant Scalar Tensor.

A curve generated by a point which moves in uniform circular motion about an axis while travelling with a constant speed parallel to the axis Epicycloid Helix Cycloid Spiral of Archimedes.

The tendency of a liquid surface to contract Surface tension Cohesion Adhesion Capillarity.

The study of motion without reference to the forces which causes motion is known as: Kinematics Kinetics Dynamics Statics.

A leak from a faucet comes out in separate drops. Which of the following is the main cause of this phenomenon? Surface tension Air resistance Gravity Viscosity of fluid.

Measure of the fluid resistance when acted upon by an external force Viscosity Density Flash point Tackiness.

An instrument for measuring high temperature gases Pyrometer Oil meter Odometer Anemometer.

A rectangle with equal sides: Rectangle Square Rhombus Trapezoid.

The base unit for mass in the SI system of measurement Newton Hyls Kilogram Joule.

Absolute viscosity is a derived unit describes as: Pascal second Newton per meter Sq. meter per second Watt per meter Kelvin.

Property of the body which measures its resistance to change in motion Acceleration Mass Rigidity Weight.

Chemical method of feedwater treatment which uses calcium hydroxide and sodium carbonate as reagents: Demineralization process Lime soda treatment Thermal treatment Ion exchange treatment.

Date of the signing of the New Mechanical Engineering Law: Feb. 12, 1998 Feb. 15, 1998 Feb. 21, 1998 Feb. 26, 1998.

If equals are added to equals, their sums are equal Axiom Corollary Postulate Theorem.

A straight line perpendicular to one of two parallel planes is perpendicular to the other also Theorem Postulate Axiom Corollary.

Sum of the sides of a polygon Hexagon Circumference Perimeter Square.

A quadrilateral whose opposite sides are equal: Parallelogram Triangle Median Trapezoid.

The PSME Code 1993 defines the five grades of Commercial Fuel Oils and also provides specifications for underground and above ground Oil Storage Tanks such as for a maximum capacity of 1100 gallons. The tank thickness of the metal shall be: Number 12 gage Number 14 gage Number 16 gage Number 18 gage.

Kinematic viscosity is an SI derived unit described as: Pascal second Watt per meter Kelvin Square meter per second Newton per meter.

Locus of points on a side which rolls along a fixed line Cycloid Cardioid Epicycloid Hypocycloid.

A specimen is subjected to a load. When the load is removed, the strain disappears. The material is Ductile Elastic Plastic At high modulus of elasticity.

Study of motion without reference to the forces which causes motion Kinematics Hydrodynamics Statics Aerodynamics.

In a cantilever beam with a concentrated load at the free end, the moment is: Maximum at the wall Constant along the beam Maximum at the free end Maximum at midspan.

The loss weight of a body submerged in a fluid is: Equal to the weight of the body displaced Proportional to the weight of the body Independent of the volume of the body None of the above.

A line segment joining two points on a circle Sector Chord Arc Tangent.