Apollo Tyres Customer Service Engineer Interview Questions and Answers

Normal aptitude test that was related to your subject Basics

Q1. Manager was take this was asked your background
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Q2. Mazer role play in your Department that was you learn in your field
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Q1. Types of motor and it's protection
Ans. 
Types of motors include AC, DC, stepper, servo, and induction. Motor protection includes overload, overvoltage, and overtemperature.
• AC motors are commonly used in household appliances and industrial machinery

• DC motors are used in electric vehicles and robotics

• Stepper motors are used in printers and CNC machines

• Servo motors are used in robotics and automation

• Induction motors are used in pumps and fans

• Overload protection...read more
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Q2. Types of transformer and it's protection
Ans. 
Transformers are of two types - step-up and step-down. Protection methods include overcurrent, overvoltage, and differential protection.
• Step-up transformers increase voltage while step-down transformers decrease voltage

• Overcurrent protection is achieved through fuses or circuit breakers

• Overvoltage protection is achieved through surge arresters or lightning arresters

• Differential protection is used to detect internal fau...read more
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Q3. What is dol starter and VFD
Ans. 
DOL starter is a direct online starter used to start and stop motors. VFD is a variable frequency drive used to control motor speed.
• DOL starter is a simple and cost-effective method of starting motors

• It provides full voltage to the motor during starting

• VFD is used to control the speed of the motor by varying the frequency of the power supplied to the motor

• It is more efficient than other methods of speed control

• VFDs are...read more
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