Loop gain vs phase plot is known as ______ plot/chart.

Nyquist

Bode

Nichol's

Inverse Nyquist

Nyquist

Bode

Nichol's

Inverse Nyquist

2.

The main function of the construction management is -

Planning

Organizing

Directing

all

Planning

Organizing

Directing

all

3.

Proximity effect is due to current flowing in the

Earth

sheath

neighboring conductor

all

Earth

sheath

neighboring conductor

all

4.

"Dead slow" is a ___ sign.

regulatory

warning

informatory

None

regulatory

warning

informatory

None

5.

If P_m is the maximum power transferred, the loss on the system is

P_{m} / 4

P_{m} / 2

3 P_{m} / 4

P_{m}^{2} / 2

P_{m} / 4

P_{m} / 2

3 P_{m} / 4

P_{m}^{2} / 2

6.

The loss of head at exit of a pipe is -

$v^{2} / 2 g$

$0.5 v^{2} / 2 g$

$0.375 v^{2} / 2 g$

$0.75 v^{2} / 2 g$

$v^{2} / 2 g$

$0.5 v^{2} / 2 g$

$0.375 v^{2} / 2 g$

$0.75 v^{2} / 2 g$

7.

Which of the following is the result of a reduction in operating pressure in the Air refrigeration cycle?

decrease in C.O.P

always decreases

increase in C.O.P

no change in C.O.P

decrease in C.O.P

always decreases

increase in C.O.P

no change in C.O.P

8.

A person who is unaffected by emotions is called -

stoic

Pessimist

Optimist

henpecked

stoic

Pessimist

Optimist

henpecked

9.

The moisture content in timber for framework should not exceed-

৫%

১০%

15%

২০%

৫%

১০%

15%

২০%

10.

A single phase transformer has a maximum efficiency of 90% at full load and unity power factor. Efficiency at half load at the same power factor is -

87.8%

86.7%

88.26%

88.9%

87.8%

86.7%

88.26%

88.9%

11.

A rectangular channel has cross sectional area of 50 m² If the channel section is to be most economical, calculate the depth. Take Breadth = 10m .

10 M

5 m

8 m

12 m

10 M

5 m

8 m

12 m

12.

The characteristic impedance of a lossless transmission line -

\sqrt{L C}

\sqrt{L / C}

1 / \sqrt{L / C}

\sqrt{C / L}

\sqrt{L C}

\sqrt{L / C}

1 / \sqrt{L / C}

\sqrt{C / L}

13.

Modulus of resilience is defined as Resilience _____

at ultimate stress

per unit volume

at proportional limit

at elastic limit

at ultimate stress

per unit volume

at proportional limit

at elastic limit

14.

If the fault current is 2000A, the relay setting is 50% and CT ratio is 400:5, then what is the PSM value?

25

১৫

50

10

25

১৫

50

10

15.

The compressible flow is assumed to be ____

Adiabatic only

Isentropic only

Polytropic

a+b

Adiabatic only

Isentropic only

Polytropic

a+b

16.

Mini pill এ কোন হরমোন থাকে?

Progesterone

Oestrogen

Thyroid Hormone

সবগুলি

Progesterone

Oestrogen

Thyroid Hormone

সবগুলি

17.

The thickness of the parapet wall, on the valley side of the roadway, is usually kept as

20 cm

40 cm

60 cm

80 cm