Qualcomm Mst Electrician Interview Questions and Answers

Q1. Brief about resume
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Q2. Project related questions
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Q1. CNC machine maintenance
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Q2. Mechanical basics
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Q1. CNC machine maintenance
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Q2. Mechanical basics
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Q1. Mean time to reapir
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Q1. Mean time between failure
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Mean time between failure is a measure of reliability, indicating the average time between failures of a system.
• MTBF is calculated by dividing the total operational time by the number of failures.

• It is commonly used in industries like manufacturing, automotive, and electronics to assess the reliability of products.

• For example, if a computer system operates for 1000 hours with 10 failures, the MTBF would be 100 hours.
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Q1. 7QC Tool in lean manufacturing
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7QC tools are a set of quality control tools used in lean manufacturing to identify and solve production problems.
• Check Sheet: Used to collect and analyze data in a systematic way.

• Pareto Chart: Helps prioritize issues by showing the most significant factors.

• Cause and Effect Diagram (Fishbone Diagram): Identifies root causes of problems.

• Histogram: Visualizes data distribution to identify patterns.

• Scatter Diagram: Shows ...read more
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Q1. Total productive maintenance
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Q2. Total quality management
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Q1. Qc tools, story
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Q2. Pillars of tpm, tqm, kaizen and others
Ans. 
TPM, TQM, and Kaizen are pillars of continuous improvement in manufacturing processes.
• Total Productive Maintenance (TPM) focuses on maximizing equipment effectiveness through proactive maintenance.

• Total Quality Management (TQM) emphasizes quality control and continuous improvement in all aspects of the organization.

• Kaizen is a Japanese philosophy of continuous improvement involving all employees in making small, increm...read more
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Q1. Tell me about clock gating
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Clock gating is a power-saving technique used in digital design to disable the clock signal to certain parts of a circuit when they are not in use.
• Clock gating helps reduce power consumption by stopping the clock signal to unused parts of the circuit.

• It is achieved by inserting logic gates in the clock signal path to control when the clock is allowed to reach certain elements.

• Clock gating can be implemented at differen...read more
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Round duration - 30 minutes
Round difficulty - Easy

Q1. How do you search for a node in a linked list?
Ans. 
To search for a node in a linked list, iterate through the list and compare each node's value with the target value.
• Start at the head of the linked list

• Iterate through each node by following the 'next' pointer

• Compare the value of each node with the target value

• Return the node if found, otherwise return null
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Q2. How do you detect a loop in a linked list?
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To detect a loop in a linked list, we can use Floyd's Cycle Detection Algorithm.
• Initialize two pointers, slow and fast, at the head of the linked list.

• Move slow pointer by one step and fast pointer by two steps.

• If there is a loop, the two pointers will eventually meet.

• Alternatively, we can use a hash set to store visited nodes and check for duplicates.
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Q3. Implement a stack using a singly linked list.
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Implement a stack using a singly linked list
• Create a Node class with data and next pointer

• Create a Stack class with top pointer pointing to the top of the stack

• Implement push, pop, and peek operations by manipulating the linked list

• Example: Node class - Node { int data; Node next; }
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Round duration - 40 minutes
Round difficulty - Easy

Q1. What is the top view of a binary tree?
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The top view of a binary tree shows the nodes visible from the top when looking down from the root node.
• The top view of a binary tree is the set of nodes visible from the top when looking down from the root node.

• Nodes at the same horizontal distance from the root are considered at the same level in the top view.

• If multiple nodes are at the same horizontal distance, only the topmost node at that level is included in the...read more
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Q2. Explain the process of deleting a node from a linked list, covering all possible cases.
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Deleting a node from a linked list involves updating pointers to maintain the list's integrity.
• Identify the node to be deleted by traversing the list

• Update the previous node's next pointer to skip the node to be deleted

• Free the memory allocated to the node to be deleted
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