Explore topic-wise MCQs in Php.

This section includes 2167 Mcqs, each offering curated multiple-choice questions to sharpen your Php knowledge and support exam preparation. Choose a topic below to get started.

801.

Consider a practical op-amp having two break frequency due to a number of RC pole pairs. Determine the gain equation using the given specifications:A ≅ 102.92dB; fo1 =6Hz ; fo2 =2.34MHz .

A. 140000/[1+ j(f/6)]x[1+ j(f/2.34)].
B. 140000/[1+ j(f/6)]x[1+ j(f/234)].
C. 140000/[1+ j(f/6)]x[1+ j(f/23400)].
D. 140000/[1+ j(f/6)]x[1+ j(f/2340000)].
Answer» E.
802.

In a phase response curve of MC1556, the phase shift is -162.5o about 4MHz. If the approximate value of first break frequency is 5.5Hz. Determine the approximate value of the second break frequency?

A. 945.89MHz
B. 945.89kHz
C. 945.89GHz
D. 945.89Hz
Answer» C. 945.89GHz
803.

The specific frequency at which AOL (dB) is called

A. Gain bandwidth product
B. Closed loop bandwidth
C. Small signal bandwidth
D. All of the mentioned
Answer» E.
804.

Select the correct magnitude and phase for the frequency range.

A. 1-iii, 2-i, 3-ii
B. 1-I, 2-ii, 3-iii
C. 1-iii, 2-ii, 3-i
D. 1-ii, 2-iii, 3-iView Answer
Answer» B. 1-I, 2-ii, 3-iii
805.

Which of these statements is false?

A. The open loop gain AOL(f) dB is approximately constant from 0Hz to fo
B. When input signal frequency and f is equal to break frequency fo, the gain frequency is called -3dB frequency
C. The open loop gain AOL(f) dB is approximately constant upto break frequency fo, but there after it increase 20dB each time there is a tenfold increase in frequency.
D. At unity gain crossover frequency, the open loop gain AOL(f) dB is zero
Answer» D. At unity gain crossover frequency, the open loop gain AOL(f) dB is zero
806.

If we select two points A and B on either side of the obstacle and equal perpendiculars AC and BD are set out. Then AB is equal to?

A. AC
B. CD
C. DA
D. BD
Answer» C. DA
807.

To continue a survey line AB past an obstacle, a line BC 300 m long was set out perpendicular to AB and from C angles BCD and BCE were set out at 60° and 45° respectively. Determine the obstructed length BE?

A. 250 m
B. 600 m
C. 452.28 m
D. 300 m
Answer» E.
808.

To continue a survey line AB past an obstacle, a line BC 100 m long was set out perpendicular to AB and from C angles BCD and BCE were set out at 60° and 45° respectively. Determine the lengths which must be chained off along CE in order that ED may be in AB produced?

A. 141.42 m
B. 282.84 m
C. 140.14 m
D. 267.7 m
Answer» B. 282.84 m
809.

To continue a survey line AB past an obstacle, a line BC 100 m long was set out perpendicular to AB and from C angles BCD and BCE were set out at 60° and 45° respectively. Determine the lengths which must be chained off along CD in order that ED may be in AB produced?

A. 100 m
B. 200 m
C. 300 m
D. 400 m
Answer» C. 300 m
810.

Both ends of the line may not be visible from intermediate points on the line. This case comes under which among the three kinds of obstacles to chaining?

A. obstacles to ranging but not chaining
B. obstacles to chaining but not ranging
C. obstacles to levelling
D. obstacles to ranging and chaining
Answer» B. obstacles to chaining but not ranging
811.

How many kinds of obstacles of chaining are there?

A. 2
B. 3
C. 4
D. 5
Answer» C. 4
812.

Inside a wind tunnel, the area further decreases from A2 to A3, that section is called as _______

A. Converging section
B. Divergent section
C. Throat section
D. Nozzle
Answer» C. Throat section
813.

The open circuit wind tunnel is similar to venturi duct ______

A. True
B. False
Answer» B. False
814.

The below figure shows which of the following wind tunnel?

A. Convergent duct
B. Divergent duct
C. Convergent-divergent duct
D. Simple duct
Answer» D. Simple duct
815.

The flows in which all the flow parameters are the function of ‘x’ is called as _________

A. 3D flow
B. 2D flow
C. Quasi 1D flow
D. Quasi 2D flow
Answer» D. Quasi 2D flow
816.

The information about data in a database is called _______

A. Metadata
B. Hyper data
C. Tera data
D. None of the mentioned
Answer» B. Hyper data
817.

How does the communication between the conventional multiple completions can be confirmed?

A. By injecting water
B. Dynamometer
C. Artificial lift
D. Packer leakage test
Answer» E.
818.

How does Water blocking take place?

A. By circulating or killing the well with water
B. By circulating or killing the well with oil
C. By circulating or killing the well with gas
D. By circulating Emulsion
Answer» B. By circulating or killing the well with oil
819.

What is the fingering of water?

A. Movement of oil up structure in the more permeable formations
B. Movement of gas up structure in the more permeable formations
C. Movement of water up structure in the more permeable formations
D. Movement of cement up structure in the more permeable formations
Answer» D. Movement of cement up structure in the more permeable formations
820.

What is completion water-oil contact?

A. Depth below which first water production appears
B. Depth below which no water is found
C. Depth below which no producible oil is found
D. Depth below which no oil is found
Answer» B. Depth below which no water is found
821.

What is producing water-oil contact?

A. Depth below which Gas is found
B. Depth below which no water is found
C. Depth below which no producible oil is found
D. Depth below which no oil is found
Answer» D. Depth below which no oil is found
822.

What is the original water-oil contact?

A. Depth below which Gas is found
B. Depth below which no water is found
C. Depth below which no oil is found
D. Depth below which no oil is found
Answer» E.
823.

What is the method of detecting early trouble in the Electric pump?

A. Packer
B. Voltmeter
C. Ammeter
D. Cable
Answer» D. Cable
824.

Operation of Electric pumps is more troubling if polyethylene covered cable protected by a galvanized steel sheath is used.

A. True
B. False
Answer» C.
825.

If an Artificial lift pump is not pumping off then which of the following equipment will help to determine the problem?

A. Dynamometer
B. Packer
C. Slickline
D. Barometer
Answer» B. Packer
826.

If excess water production is a problem then Artificial will be a good solution.

A. True
B. False
Answer» C.
827.

If \(\frac{1}{2}\)µnCox*(W/L) = K and λ=0 for the C.S. stage shown below, what is the voltage gain (ideally)?

A. (R2 || R3 || R4) * 3K * (V1 – 2Vth)
B. (R2 || R3 || R4) * K * (V1 + Vth)
C. (R2 || R3 || R4) * 2K * (V1 – Vth)
D. (R2 || R3 || R4) * K * (V1 – Vth)
Answer» E.
828.

Coupling capacitors provide D.C. coupling during biasing of transistors.

A. True
B. False
Answer» C.
829.

What is the role of the capacitor in the following circuit?

A. Increasing the gain
B. Decreasing the gain
C. Has not role
D. Decreases the output impedance
Answer» B. Decreasing the gain
830.

What is the output voltage in the following C.S. stage?

A. 5 V
B. 0 V
C. 2.5 V
D. 3 V
Answer» B. 0 V
831.

If Vth is .45V, what is the output voltage for the following C.S. stage?

A. 4.7 V
B. 3.9 V
C. 2.1 V
D. 3.5 V
Answer» B. 3.9 V
832.

If we have 3 resistors of 1k, 2k and 3k, how should they be used amongst R1, R2 and R3 to get the maximum gate voltage in the following C.S. stage?

A. R1 = 1k, R2 = 2k, R3 = 3k
B. R1 = 3k, R2 = 2k, R3 = 1k
C. R1 = 2k, R2 = 1k, R3 = 3k
D. R1 = 3k, R2 = 1k, R3 = 2k
Answer» B. R1 = 3k, R2 = 2k, R3 = 1k
833.

If an NMOS is degenerated by a resistor in series with the source, what will happen to the output resistance?

A. It increases
B. It decreases
C. It remains same
D. Cannot be determined
Answer» B. It decreases
834.

In the following C.S. stage, what is the gate voltage appearing across M1?

A. V1 * [(R2 || R3) / (R1 || R2 || R3)]
B. V1 * [(R2 + R3) / {R1 + R2) || R3}]
C. V1 * [(R2 + R3) / (R1 + R2 + R3)]
D. V1 * [(R2 || R3) / {R1 + (R2 ||R3}]
Answer» E.
835.

Neglecting Channel Length Modulation, what is the output impedance of the following C.S. stage?

A. R4
B. R4 || R2
C. R4 || (R2 + R3)
D. R4 || [(R2 + R3) || R1]
Answer» B. R4 || R2
836.

What is the input impedance of the following C.S. stage?

A. R2 || R3
B. R1 || (R2 + R3)
C. (R1 || R2) + R3
D. R1 + (R2 || R3)
Answer» B. R1 || (R2 + R3)
837.

When froth blocks the pump, it leads to _______

A. Separation of rich minerals
B. Mixing of rich minerals
C. Removing of ores
D. Loss of prime
Answer» E.
838.

Froth contains air that blocks the pumps.

A. True
B. False
Answer» B. False
839.

What is purpose of froth in froth pumps?

A. Separates rich minerals
B. Mixes rich minerals
C. Removes ores
D. Detects oil
Answer» B. Mixes rich minerals
840.

The centrifugal pump has varying flow depending on the _________

A. Pressure
B. Static lift
C. Volume
D. Flow rate
Answer» B. Static lift
841.

What does BEP stand for?

A. Best efficiency point
B. Brake ejection point
C. Break effect point
D. Best effect point
Answer» B. Brake ejection point
842.

Vertical centrifugal pumps are also called as ________

A. Froth pumps
B. Multistage pumps
C. Cantilever pumps
D. Magnetic pumps
Answer» D. Magnetic pumps
843.

____________ ml of oxygen is transported per deciliter of blood.

A. 20ml
B. 40ml
C. 10ml
D. 50ml
Answer» B. 40ml
844.

Residual volume is _______________

A. Lesser than tidal volume
B. Greater than vital capacity
C. Greater than inspiratory volume
D. Greater than tidal volume
Answer» E.
845.

One molecule of hemoglobin carries ___________ molecules of oxygen.

A. 4
B. 3
C. 2
D. 1
Answer» B. 3
846.

Which is true for carbon dioxide concentration?

A. More in alveolar air than in expired air
B. More in inspired air than in alveolar air
C. More in expired air than in alveolar air
D. More in alveolar air than in inspired air
Answer» B. More in inspired air than in alveolar air
847.

For low income group houses, sufficient shelving arrangement with storage space shall be provided in the kitchen.

A. True
B. False
Answer» B. False
848.

For pay range below Rs.110/- accommodation will be a room and cooking verandah room, bath and W.C.

A. True
B. False
Answer» B. False
849.

Residential building for officials are used to be planned on the basis of the income which is 10% of their salary.

A. True
B. False
Answer» C.
850.

For type 3rd what will be the pay range?

A. 251/- to 400/-
B. 500/- to 700/-
C. 350/- to 780/-
D. 290/- to 600/-
Answer» B. 500/- to 700/-