C:-2mm

D:-2.5mm

Correct Answer:- Option-B
Question68:-The rivet line is also known as

A--Scrieve line

B:-Back line

C:-Gauge line

D:-Alll of these

Correct Answer:- Option-D
Question69:-If the thickness of plate is 't'! mm and the nominal diameter of rivet is 'd'mm, then according to Unwin's formula.

A:-d ಎ (5016)
-d ಎ `660ಗ/0`

Correct Answer:- Option-B
Question70:-The load on connection is not ecentric for
A:-Lap joint
ingle cover butt joint
C:-Double cover butt joint
D:-Alll of these
Correct Answer:- Option-C
Question71:-Marble is an example of
A:-Aqueous rocks
-Sedimentary rocks
C:-Metamorphic rocks
D:-Igneous rocks
Correct Answer:- Option-C
Question72:-In order to dry the quarry sap of a freshly quarried stone it should be exposed to open air for a period of
A:-One month
-Four months
C:-Six to twelve months
D:-Two years
Correct Answer:- Option-C
Question73:-The dressing of stone is done
A:-Immediately after quarrying
-After seasoning
C:-After three months of quarrying
D:-Just before building construction
Correct Answer:- Option-A
Question74:-The length of a curved tile varies from
A:-10 to 12 cm
B:-12 to 15 cm
C:-15 to 20 cm
D:-20 to 22.5 cm
Correct Answer:- Option-C
Question75:-The lime which consists almost entirely of calcium oxide is called
A:-Poor lime
B:-Rich lime
C:-Hydraulic lime
D:-Limestone
Correct Answer:- Option-B
Question76:-A good quality cement should have higher percentage of
silica
-free lime
C:-di-calcium silicate
D:-tri-calcium silicate
Correct Answer:- Option-D
Question77:-The initial setting time of rapid hardening cement should not be less than
A:-30 minute