FURNACE TECHNOLOGY QUIZ

Consider the following statements in regard to Beaufort scale for wind speeds,(i) The Beaufort number ranges from 1 to 12.(ii) Higher Beaufort number indicates higher speed of wind,(iii) Beaufort number for calm is smallest and for hurricane is highest Of these statements

(i) and (iii) are correct

(i) and (ii) are correct

(ii) and (iii) are correct

(i), (ii) and (iii) are correct

TRUE ANSWER : ?
YOUR ANSWER : ?

By increasing the rise of lock-gates,<br/>(i) The length of the lock gate will increase<br/>(ii) Transverse stress due to water pressure on the gate will increase<br/>(iii) Compressive force on the gate will increase

(i) and (ii) are correct

(i) and (iii) are correct

Only (iii) is correct

Only (ii) is correct

TRUE ANSWER : ?
YOUR ANSWER : ?

Consider the following statements.(i) Fender is the cushion provided on the face of the jetty for ships to come in contact,(ii) Slip is the space of water area between two adjacent piers where ships are berthed,(iii) Pier head is a structure constructed near the tip of a break water near the harbour entrance. Of the statements

(i) and (iii) are correct

(i) and (ii) are correct

(ii) and (iii) are correct

(i), (ii) and (iii) are correct

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following structures are constructed parallel to shore line to develop a demarcating line between land area and water area?

Sea walls, bulk heads and groynes

Sea walls, revetments and groynes

Bulk heads, revetments and groynes

Sea walls, bulk heads and revetments

TRUE ANSWER : ?
YOUR ANSWER : ?

The maximum harbour depth below lowest low water is generally equal to(i) loaded draft + 1.2 m when bottom is rock(ii) loaded draft + 1.8 m when bottom is soft(iii) loaded draft + 1.2 m when bottom is soft(iv) loaded draft + 1.8 m when bottom is rock

(i) and (iii) are correct

(i) and (ii) are correct

(ii) and (iv) are correct

(iii) and (iv) are correct

TRUE ANSWER : ?
YOUR ANSWER : ?

Assertion A : Large size stones are required in stone revetment in shore protection.Reason R : Resistance of stone to wave force is proportional to its volume and wave force is proportional to the exposed area of the stone.Select your answer based on the coding system given below.

A is false but R is true.

A is true but R is false.

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

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

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following type of sea walls results in greatest protection of shore structures?

vertical sea wall

sea wall with concave face

stepped sea wall

sea wall with batter

TRUE ANSWER : ?
YOUR ANSWER : ?

As per Berlin's formula, the length of wave in meters is given by(Where ’t’ is the period in seconds for two successive waves to pass the same section.)

1.7412

1.5612

1.3412

1.9412

TRUE ANSWER : ?
YOUR ANSWER : ?

If H is the height of the wave expected, then the height of the breakwater is generally taken as

1.2 H to 1.25 H above the high water level

1.2 H to 1.25 H above the mean sea level

1.2 H to 1.25 H above the datum

1.2 H to 1.25 H above the low water level

TRUE ANSWER : ?
YOUR ANSWER : ?

In basins subjected to strong winds and tide, the length of the berthing area should not be less than

The length of design vessel + 20% clearance between adjacent vessels

The length of design vessel

The length of design vessel + 10% clearance between adjacent vessels

Twice the length of design vessel

TRUE ANSWER : ?
YOUR ANSWER : ?