Welcome toZitro Academy
Practice contractor exam tests with our comprehensive platform
Practice Exam
Question 15 of 50
What is the minimum thickness required for a concrete foundation wall in residential construction?
Our Features & Services.
Everything you need to succeed in your certification journey with our comprehensive platform
Practice Real Exam Questions
Access authentic exam questions designed by industry experts with detailed explanations
Auto-Graded Quizzes
Instant feedback with detailed explanations for every answer to accelerate your learning
Instructor Feedback
Get personalized feedback from certified instructors on essays and complex questions
Student Tracking
Monitor progress with advanced analytics and reporting for instructors and administrators
Admin Tools
Complete administrative control over courses, users, and platform settings
Multi-Language Support
Full platform available in English and Spanish to serve diverse communities
Ready to Start Your Journey?
Get in touch with our expert team. We're here to help you succeed in your certification journey.
Phone Support
+1 (301) 434-0314
Call us for immediate assistance and expert guidance
Email Support
info@zitroservicesllc.com
Send us detailed questions and get comprehensive responses
Visit Our Office
1738 Elton Rd Suite 222
Silver Spring MD 20903
Schedule an in-person consultation at our headquarters