EKT 2 2016 is going to be conducted along AFCAT 2 2016 Exam in Sep 2016. EKT contains questions dealing with basic concepts of your discipline of engineering and a thorough understanding of your basics will help you solve this easily. This test is crucial as it is compulsory to clear it, if you clear AFCAT and fail this test, you can’t make it in the technical branch.
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EEE ECE CSE IT EKT Exam Model Questions
- Segmentation of a data stream happens at which layer of the OSI model?
A. Physical
B. Data Link
C. Network
D. Transport
- When data is encapsulated, which is the correct order?
A. Data, frame, packet, segment, bit
B. Segment, data, packet, frame, bit
C. Data, segment, packet, frame, bit
D. Data, segment, frame, packet, bit
- What protocol does PPP use to identify the Network layer protocol?
A. NCP
B. ISDN
C. HDLC
D. LCP
- Which protocol is used to send a destination network unknown message back to originating hosts?
A. TCP
B. ARP
C. ICMP
D. BootP
- In a network with dozens of switches, how many root bridges would you have?
A. 1
B. 2
C. 5
D. 12
- What layer in the TCP/IP stack is equivalent to the Transport layer of the OSI model?
A. Application
B. Host-to-Host
C. Internet
D. Network Access
- You want to implement a mechanism that automates the IP configuration, including IP address, subnet mask, default gateway, and DNS information. Which protocol will you use to accomplish this?
A. SMTP
B. SNMP
C. DHCP
D. ARP
- If you use either Telnet or FTP, which is the highest layer you are using to transmit data?
A. Application
B. Presentation
C. Session
D. Transport
- Which layer 4 protocol is used for a Telnet connection?
A. IP
B. TCP
C. TCP/IP
D. UDP
- What protocol is used to find the hardware address of a local device?
A. RARP
B. ARP
C. IP
D. ICMP
- Which of the following is a layer 2 protocol used to maintain a loop-free network?
A. VTP
B. STP
C. RIP
D. CDP
- What is the frequency range of the IEEE 802.11a standard?
A. 2.4Gbps
B. 5Gbps
C. 2.4GHz
D. 5GHz
- What is the maximum data rate for the 802.11g standard?
A. 6Mbps
B. 11Mbps
C. 22Mbps
D. 54Mbps
- Which of the following is true regarding VTP?
A. All switches are VTP servers by default.
B. All switches are VTP transparent by default.
C. VTP is on by default with a domain name of Cisco on all Cisco switches.
D. All switches are VTP clients by default.
- Which switching technology reduces the size of a broadcast domain?
A. ISL
B. 802.1Q
C. VLANs
D. STP
- What VTP mode allows you to change VLAN information on the switch?
A. Client
B. STP
C. Server
D. Transparent
- How many digits of the DNIC (Data Network Identification Code) identify the country?
A. first three
B. first four
C. first five
D. first six
- Frames from one LAN can be transmitted to another LAN via the device
A. Router
B. Bridge
C. Repeater
D. Modem
- Which of the following is used for modulation and demodulation?
A. modem
B. protocols
C. gateway
D. multiplexer
- Which of the following TCP/IP protocol is used for transferring electronic mail messages from one machine to another?
A. FTP
B. SNMP
C. SMTP
D. RPC
- The slowest transmission speeds are those of
A. twisted-pair wire
B. coaxial cable
C. fiber-optic cable
D. microwaves
- What can greatly reduce TCP/IP configuration problems?
A. WINS Server
B. WINS Proxy
C. DHCP Server
D. PDC
- Internet-like networks within an enterprise.
A. Intranets
B. Switching alternating
C. Inter organizational networks
D. Extranets
- What device separates a single network into two segments but lets the two segments appear as one to higher protocols?
A. Switch
B. Bridge
C. Gateway
D. Router
- In case one phase of a three-phase synchronous motor is short-circuited the motor will
(a) not start
(b) run at 2/3 of synchronous speed
(c) run with excessive vibrations
(d) take less than the rated load
- A pony motor is basically a
(a) small induction motor
(b) D.C. series motor
(c) D.C. shunt motor
(d) double winding A.C./D.C. motor
- A synchronous motor can develop synchronous torque
(a) when under loaded
(b) while over-excited
(c) only at synchronous speed
(d) below or above synchronous speed
- A synchronous motor can be started by
(a) pony motor
(b) D.C. compound motor
(c) providing damper winding
(d) any of the above
- Out of the following which is an insulating material ?
(a) Copper
(b) Gold
(c) Silver
(d) Paper
- The property of a conductor due to which it passes current is called
(a) resistance
(b) reluctance
(c) conductance
(d) inductance
- Conductance is reciprocal of
(a) resistance
(b) inductance
(c) reluctance
(d) capacitance
- The resistance of a conductor varies inversely as
(a) length
(b) area of cross-section
(c) temperature
(d) resistivity
- For a frequency of 200 Hz, the time period will be
(a) 0.05 s
(b) 0.005 s
(c) 0.0005 s
(d) 0.5 s
- The phase difference between voltage and current wave through a circuit element is given as 30°. The essential condition is that
(a) both waves must have same frequency
(b) both waves must have identical peak values
(c) both waves must have zero value at the same time
(d) none of the above
- The r.m.s. value of a sinusoidal A.C. current is equal to its value at an angle of degrees.
(a) 90
(b) 60
(c) 45
(d) 30
- The armature of D.C. generator is laminated to
(a) reduce the bulk
(b) provide the bulk
(c) insulate the core
(d) reduce eddy current loss
- The resistance of armature winding depends on
(a) length of conductor
(b) cross-sectional area of the conductor
(c) number of conductors
(d) all of the above
- The field coils of D.C. generator are usually made of
(a) mica
(b) copper
(c) cast iron
(d) carbon
- Which D.C. motor will be preferred for machine tools ?
(a) Series motor
(b) Shunt motor
(c) Cumulative compound motor
(d) Differential compound motor
- Differentially compound D.C. motors can find applications requiring
(a) high starting torque
(b) low starting torque
(c) variable speed
(d) frequent on-off cycles
- Which D.C. motor is preferred for elevators ?
(a) Shunt motor
(b) Series motor
(c) Differential compound motor
(d) Cumulative compound motor
- Which of the following does not change in a transformer ?
(a) Current
(b) Voltage
(c) Frequency
(d) All of the above
- In a transformer the energy is conveyed from primary to secondary
(a) through cooling coil
(b) through air
(c) by the flux
(d) none of the above
- A transformer core is laminated to
(a) reduce hysteresis loss
(b) reduce eddy current losses
(c) reduce copper losses
(d) reduce all above losses
- In a split phase motor, the running winding should have
(a) high resistance and low inductance
(b) low resistance and high inductance
(c) high resistance as well as high inductance
(d) low resistance as well as low inductiance
- If the capacitor of a single-phase motor is short-circuited
(a) the motor will not start
(b) the motor will run
(c) the motor will run in reverse direction
(d) the motor will run in the same direction at reduced r.p.m.
- In capacitor start single-phase motors
(a) current in the starting winding leads the voltage
(b) current in the starting winding lags the voltage
(c) current in the starting winding is in phase with voltage in running winding
(d) none of the above
- In a capacitor start and run motors the function of the running capacitor in series with the auxiliary winding is to
(a) improve power factor
(b) increase overload capacity
(c) reduce fluctuations in torque
(d) to improve torque
- A perfect conductor has
(a) zero conductivity
(b) unity conductivity
(c) infinite conductivity
(d) none of the above
- The metal having the lowest temperature coefficient of resistance is
(a) gold
(b) copper
(c) aluminium
(d) kanthal
- Commonly used conducting materials are
(a) copper
(b) aluminium
(c) both (a) and (b)
(d) copper and silver
- Which of the following materials is preferred for transmitting electrical energy over long distance ?
(a) Copper
(b) Aluminium
(c) Steel reinforced copper
(d) Steel reinforced aluminium
- Which of the following materials is not used for transmission and distribution of electrical power ?
(a) Copper
(b) Aluminium
(c) Steel
(d) Tungsten
- Galvanised steel wire is generally used as
(a) stay wire
(b) earth wire
(c) structural components
(d) all of the above
- The usual spans with R.C.C. poles are
(a) 40-50 meters
(b) 60-100 meters
(c) 80-100 meters
(d) 300-500 meters
- The corona is considerably affected by which of the following ?
(a) Size of the conductor
(b) Shape of the conductor
(c) Surface condition of the conductor
(d) All of the above
