Related Questions

In a cable immediately above metallic sheath ________ is provided.
A Earthing connection
B Bedding
C Armouring
D None of the above
The cause of damage to the lead sheath of a cable is
A crystallisation of the lead through vibration
B chemical action on the lead when buried in the earth
C mechanical damage
D all of the above
A metallic alloy in which one of the constituent metal is __________ , is called an amalgam.
A Zinc
B Mercury
C Lead
D Tin
A metallic alloy in general as compared to their pure metal components is
A More corrosion resistant
B Having higher melting point
C Having lower hardness, reactivity and fusibility
D Having lower electrical conductivity
Carotid sheath
A Is attached superiorly to the base of the skull
B Fuse with the perichondrium inferiorly
C Encloses jugular vein and vagus nerve
D Lies deep to the prevertebral fascia
E Encloses external carotid artery
The carotid sheath
A Is attached superiorly to the base of the skull
B Is fused with the pericardium inferiorly
C Encloses the jugular vein
D Lies deep to the prevertebral fascia
E Contains the external carotid artery
The schwann cell forms a myelin sheath around the
A nodes of Ranvier
B dendrites
C nucleus
D axon
When a bare thermocouple is covered by a protective sheath, the response becomes
A Faster and oscillatory
B Faster and non-oscillatory
C Slower and oscillatory
D Slower and non-oscillatory
Perminvar alloy having constant permeability is an alloy of
A Nickel, copper and iron
B Nickel, copper and zinc
C Copper, nickel and antimony
D Iron, zinc and bismuth
The partial pressure of each constituent present in an alloy is __________ the total vapor pressure exerted by the alloy.
A Less than
B Equal to
C More than
D Either B or C; depends on the type of alloy

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