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Quiz by Florenzo Miguel Aclan (Florencii)

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55 questions
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  • Q1
    Find the volume generated by revolving the center x” + y” + 6x + 4y + 12 = 0 about the y-axis
    22.58
    59.22
    55.28
    65.55
    30s
  • Q2
    [SEPT2022] For the remote operation, the circuit breaker must be equipped with a _____ trip.
    Inverse time
    Time Delay
    Full-load
    Shunt
    30s
  • Q3
    A garden hose fills a 32 L wastebasket in 120 seconds. The opening at the end of the hose has a radius of 1cm. How fast is the water traveling as it leaves the hose in m/s?
    0.50
    0.38
    0.85
    0.63
    30s
  • Q4
    Which is not a distance relay?
    Impedance Relay
    Mho Relay
    Reactance Relay
    Over voltage Relay
    30s
  • Q5
    The product of the sines of the angles of a triangle is maximum. What is the ratio of its sides?
    1:1:1
    1:1:3
    1:2:2
    1:2:1
    30s
  • Q6
    What is the busiest bus on a computer?
    System Bus
    Address Bus
    Control Bus
    Data Bus
    30s
  • Q7
    When impedance _____, current _____
    decreases, decreases
    increases, increases
    increases, decreases
    decreases, increases
    30s
  • Q8
    When a metallic ball bearing is placed inside a cylindrical container of radius 2 cm, the height of the water inside the container increases by 0.6 cm. What is the radius of the ball bearing?
    1.2 cm
    0.6 cm
    2.2 cm
    1.8 cm
    30s
  • Q9
    The per-phase impedance of a short transmission line is (0.3+ j0.4) Ω. The sending-end line-to-line voltage is 3300 V. and the load at the receiving end is 300 kilowatts per phase at 0.8 power factor lagging. Calculate the receiving-end voltage.
    1628 V
    1805 V
    1768 V
    1992 V
    30s
  • Q10
    Law that provides the legal and institutional framework necessary for harmonizing policies on the development of renewable energy technologies.
    RA 11371
    RA 9513
    RA 11285
    RA 7832
    30s
  • Q11
    In a wye connected system, the line current is
    707 times the phase current
    equal to the phase current
    1.732 times the phase current
    1.141 times the phase current
    30s
  • Q12
    If log2 = a, log3 = b, log5 = c then log(7.5) = ________
    c/(a + b)
    c/ab
    ab/c
    b + c – a
    30s
  • Q13
    Capacitors C1 and C2 are connected in series and a potential difference is applied to the combination. If the capacitor that is equivalent to the combination has the same potential difference, then the charge on the equivalent capacitor is the same as:
    the product of the charges on C1 and C2
    the sum of the charges on C1 and C2
    the difference of the charges on C1 and C2
    the charge on C1
    30s
  • Q14
    It is known as the reversed Joule cycle.
    Stirling cycle
    Bell-Coleman
    Rankine cycle
    Carnot cycle
    30s
  • Q15
    A generator delivers a load through a pair of wires, each of which has a resistance of 0.06 ohm. If the load voltage and power are 120V and 4.8KW respectively, what is the power loss in the line wires?
    92W
    98W
    192W
    96W
    30s

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