Pre - board February 2020 Flashcards
1
Q
- Which of the following corresponds to the meaning of annuity?
A lump sum at the end of the year.
A series of uniform amounts over a period of time.
An annual repayment of the loan.
The future worth of a present amount.
A
A series of uniform amounts over a period of time.
2
Q
- RA 9136 is .
A
Electric Power Industry Reform Act
3
Q
- What is means a description of the arrangements of atoms or ions in
A
structure
4
Q
- In flow chart, what is the symbol used in beginning or termination?
A
oval
5
Q
13. What refers to the heat transfer wherein the heat is transferred from one point to another by actual movement of substance? Conduction Radiation Convection Absorption
A
C. Convection
6
Q
- Find the maximum vertical clearance of the receptacle outlet from the floor?
A. 1500 mm B. 1800 mm C. 2400 mm D. 2800 mm
A
B. 1800 mm
7
Q
- What percent of human body is carbon?
A. 22% B. 20% C. 18% D. 16%
A
C. 18%
8
Q
17. Upon the initial implementation of open access, the ERC shall allow all electricity End-Users with an average monthly peak demand of at least how many MW for the preceding twelve (12) months to be the contestable market? 2 MW 1 MW 3 MW 4 MW
A
1 MW
9
Q
18. A device use to measure specific gravity of liquid is . A, hydrometer B. manometer C. pitot tube D. venturi meter
A
A, hydrometer
10
Q
- A good example of kinetic energy is provided by:
A. a wound clock spring
B. the raised weights of a grandfather’s clock
C. a tornado
D. an automobile storage battery
A
a tornado
11
Q
27. What law provides an absolute reference point for the determination of entropy? A. Zeroth law of thermodynamics B. First law of thermodynamics C. Second law of thermodynamics D. Third law of thermodynamics
A
D. Third law of thermodynamics
12
Q
- What is the only gas in Group VIA in the periodic table?
A. Argon B. Krypton C. Oxygen
A
C. Oxygen
13
Q
- What device is used to measure fluid velocity as well the velocity of fluid inside a pipe?
A. Barometer B. Hydrometer C. Pilot tube
A
C. Pilot tube
14
Q
- The ores from which zinc is obtained is
A. sphaterite B. magnetite C. pyrite
A
A. sphaterite
15
Q
- Overhead telephone wires are
A. Copper wire B. Steel wires
A
B. Steel wires
16
Q
- The warning category is for when there is a risk, but it is not as severe or immediate as when danger is used. The safety color issued by OSHA associated with warning is
A. Red B. Orange C. Yellow D. Fluorescent orange
A
B. Orange
17
Q
54. Which of the following flow meters measure(s) the average fluid velocity rather than a point or local velocity in a pipe? I. venturi meter II. pitot tube III. impact tube IV. orifice meter V. hot-wire anemometer A. I only B. II only C. I and IV
A
C. I and IV
18
Q
- What is the speed of the proton so that its mass will be twice its rest mass?
A. 0.866c B. 0.987c
A
A. 0.866c
19
Q
- Steam at 416 Pa and 166 K has a specific volume of 0.41 m3/kg and a specific enthalpy of 29.4 kJ/kg. Find the internal energy per kilogram of steam.
A. 28.5 kJ/kg B. 29.2 kJ/kg
A
B. 29.2 kJ/kg
20
Q
- It is a condition that occurs when undamped oscillations between parts of the Grid result in Grid separation. Such Grid disturbances may occur after a fault and the loss of Generating Units and/or transmission lines.
A. Transient B. Transient Interruption C. Transient Loading D. Transient Instability
A
D. Transient Instability
21
Q
- The valve between a 9 L tank containing gas at 5 atm and a 6 L tank containing gas at 10 atm is opened. What is the equilibrium pressure obtained in the two tanks at constant temperature? Assume ideal gas behaviour.
A. 5 atm B. 6 atm C. 7 atm
A
C. 7 atm
22
Q
- The valve between a 9 L tank containing gas at 5 atm and a 6 L tank containing gas at 10 atm is opened. What is the equilibrium pressure obtained in the two tanks at constant temperature? Assume ideal gas behaviour.
A. 5 atm B. 6 atm C. 7 atm
A
C. 7 atm
23
Q
- Which of the following closely related to d’Alembert’s theorem?
A. Newton’s first law of motion C. Newton’s third law of motion
B. Newton’s second law of motion
A
B. Newton’s second law of motion
24
Q
- As the temperature of a constant volume of an deal gas is increased, the pressure of the gas will
A. decrease B. increase
A
B. increase
25
Q
- A runner makes one lap around a 200-m track in a time of 25 s. What were the runner’s average velocity?
A. 8 m/s B. 4 m/s C. 2 m/s D. 0 m/s
A
D. 0 m/s
26
Q
- A 14 cm inner diameter (i.d.) water main furnishes water (through intermediate pipes) to a 1.00 cm i.d. faucet pipes. If the average speed in the faucet pipe is 3.0 cm/s, what will be the average speed it causes in the water main?
A. 0.10 cm/s B. 0.15 cm/s C. 0.010 cm/s D. 0.015 cm/s
A
D. 0.015 cm/s
27
Q
- In general, what are the effects of cold working a metal?
A. increased strength and ductility C. decreased strength and ductility
B. increased strength, decreased ductility
A
B. increased strength, decreased ductility