Users Also Read

MCQ's Search Engine

Electrical Engineering

Mechanical Engineering

Civil Engineering

Automobile Engineering

Chemical Engineering

Computer Engineering

Electronics Engineering

Medical Science Engg

Q1. | 5 skilled workers can build a wall in 20 days; 8 semi-skilled worker can build a wall in 25days; 10 unskilled workers can build a wall in 30 days, If a team has 2 killed, 6 semi-skilled and 5 unskilled workers, how long will it take to build the wall? |

A. | 20 days [Wrong Answer] |

B. | 18 days [Wrong Answer] |

C. | 16 days [Wrong Answer] |

D. | 15 days [Correct Answer] |

View Answer
Explanation:-
Answer : DDiscuss it below :!! OOPS Login [Click here] is required to post your answer/resultHelp other students, write article, leave your comments |

**Also Read Similar Questions Below :**

⇒ In FM, as the modulating frequency decreases and the modulating voltage amplitude

increases, the modulation index increases

decrease, the modulation index increases

remains constant, the modulation index increases

remains constant, the modulation index decreases

⇒ For the logic circuit of the given figure the simplified Boolean equa

Y = (A + B) (C + D) (E + F)

Y = A = B + C + D + E + F

ABCDEF

ABC + DEF

⇒

**Assertion (A):** Silicon is preferred over germanium in manufacture of semiconductor devices.

**Reason (R):** Forbidden gap in silicon is more than that in germanium.

Both A and R are true and R is correct explanation of A

Both A and R are true but R is not a correct explanation of A

A is true but R is false

A is false but R is true

⇒ Consider the common emitter amplifier shown below with the following circuit parameters: β = 100,

*g*= 0.3861 A/V,

_{m}*r*

_{0}= ∞

*r*= 259 Ω, R

_{p}_{s}= 1 kΩ, R

_{B}= 93 kΩ, R

_{C}= 250 Ω, R

_{L}= 1 kW, C

_{1}= ∞ and C

_{2}= 4.

258 Ω

1258 Ω

93 kΩ

∞

⇒ In figure V

_{BE}= 0.7 V. The base curren

above 97 μA

about 97 mA

about 75 μA

about 75 mA

⇒ In figure

*v*

_{i}= 10 mV dc maximum. The maximum possible dc output offset voltag

60 mV dc

110 mV dc

130 mV dc

150 mV dc

⇒ The root locus branches

start from open loop poles and terminate at zeros

start from open loop zeros and terminate at poles

may start from pole or zero and terminate at another pole or zero

none of the above

⇒ Examine the following statements

- Pneumatic systems are fire proof.
- Pneumatic systems are explosion proof.
- Hydraulic systems are explosion proof.
- Hydraulic systems are fire proof.

1 only

1 and 2 only

1 2, 3, 4

2, 3, 4 only

⇒ A buffer amplifier should have

high input impedance and low output impedance

high input impedance and high output impedance

low input impedance and high output impedance

low input impedance and low output impedance

⇒ Consider an arbitrary distribution of conducting bodies in a charge free space according to the uniqueness theorem, which of following are required to be specified in order that the field is uniquely determined everywhere?

- Total charge on each conductor
- Potential at each conductor surface
- Potential at same of conductor and total charge on the remainder
- Total charge as well as potential gradient on each conductor surface

1 and 3

2 and 4

1, 2, and 3

1, 2, 3, 4

⇒ Silicon and germanium are elements in the

second column of periodic table

third column of periodic table

fourth column of periodic table

fifth column of periodic table

⇒ A dynamometer wattmeter is connected in ac circuit. The measured power is

rms power

average power

peak power

instantaneous power

⇒ The characteristic equation of a closed loop system is (

*s*+ 2) (

*s*+ 3) + K = 0. The centroid of the asymptotes in root locus is:

2.5

-2.5

0.5

-0.5

⇒ The two numbers represent in signed 2's complement form are P = 11101101 and Q = 111001110. If Q subtracted from P, the value obtained in signed 2's complement form is

100000111

111

11111001

111111001

⇒ For a short dipole having an effective length less than half the wavelength the radiation resistance is

proportional to length

proportional to square root of length

proportional to square of length

none of the above

⇒ The mass of an electron is nearly

9.1 x 10

^{-27}kg

9.1 x 10

^{-29}kg

9.1 x 10

^{-31}kg

9.1 x 10

^{-35}kg

⇒ Force = Electric intensity x current.

TRUE

FALSE

⇒ ∇

^{2}is

vector

scalar

depend on direction

none

⇒ In the signal flow graph of figure below, the gain C/R will

43048

22/15

24/23

44/23

⇒ When temperature is above ferromagnetic Curie temperature, a ferromagnetic material

becomes a paramagnetic material

becomes a very strong ferromagnetic material

becomes diamagnetic material

none of the above

⇒ In case of a low level AM transmitter, the amplifier modulated stage must be

class A

class B

class B (linear)

class C

⇒ The product

*k*T (where

*k*is Boltzmann's constant and T is absolute temperature) at room temperature is about

0.051 eV

0.026 eV

0.01 eV

0.001 eV

⇒ Find V

_{th}in the cir

100 V

10 V

0 V

5 V

⇒

Match the following:

List I (Operator) | List II (Description) | ||
---|---|---|---|

A. | ? : | 1. | Modulus |

B. | [ ] | 2. | Array expression |

C. | % | 3. | Conditional |

A-3, B-2, C-1

A-1, B-2, C-3

A-1, B-3, C-2

A-2, B-3, C-1

⇒ In a parallel inverter

the commutating capacitor C is across the primary of transformer and the load is across the secondary

the commutating capacitor and load are connected across the secondary of transformer

the commutating capacitor C and load are connected in series and the combination is across the secondary of transformer

none of the above

⇒ If R(t) is autocorrelation of a waveform

*v*(

*t*) and R(0) is autocorrelation for t = 0, then

R(0) > R(t)

R(0) ≥ R(t)

R(0) < R(t)

R(0) ≤ R(t)

⇒ How many number of branches the root loci of the equation

*s*(

*s*+ 2)(

*s*+ 3) + K(

*s*+ 2) = 0 have?

Zero

One

Two

Three

⇒ An FM transmitter delivers 80W to a load of 30 W when no modulation is present. The carrier is now frequency modulated by a single sinusoidal signal and the peak frequency deviation is so adjusted to make the amplitude of the second sideband is zero in the given out

5.12 W

21.78 W

2.56 W

16.81 W

⇒ Higher order TDM levels are obtained by

forming super master groups

using A law

using μ law

dividing pulse width

⇒ ALU carries out

arithmetic operations

logic operations

both arithmetic and logic operations

none of the above